Aalst monthly weather forecast

Monthly weather forecast for Aalst. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed

20 February 2026, Friday
+3°C / +9°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+3°C
1.1
93%
1010
01:00
+3°C
5
94%
1012
02:00
+3°C
2.5
95%
1012
03:00
+4°C
3.6
94%
1013
04:00
+4°C
6.8
95%
1014
05:00
+4°C
8.6
96%
1015
06:00
+4°C
11.2
96%
1015
07:00
+5°C
14
95%
1017
08:00
+5°C
14.4
94%
1017
09:00
+5°C
12.6
91%
1018
10:00
+5°C
12.2
91%
1019
11:00
+5°C
13.7
88%
1019
12:00
+6°C
15.5
84%
1019
13:00
+6°C
16.2
84%
1019
14:00
+8°C
18.4
81%
1018
15:00
+8°C
19.4
81%
1018
16:00
+8°C
19.8
84%
1018
17:00
+8°C
18.4
87%
1017
18:00
+8°C
21.6
90%
1016
19:00
+8°C
27
92%
1016
20:00
+8°C
30.6
92%
1016
21:00
+8°C
31
93%
1015
22:00
+9°C
24.8
94%
1015
23:00
+9°C
22.7
93%
1015
21 February 2026, Saturday
+8°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
18.7
93%
1016
01:00
+8°C
17.3
94%
1016
02:00
+9°C
17.6
94%
1016
03:00
+9°C
20.9
93%
1017
04:00
+9°C
22.3
93%
1017
05:00
+8°C
18
93%
1016
06:00
+9°C
28.8
91%
1016
07:00
+10°C
26.6
91%
1016
08:00
+10°C
27
91%
1016
09:00
+10°C
25.2
90%
1018
10:00
+10°C
21.2
91%
1018
11:00
+10°C
21.2
89%
1018
12:00
+11°C
25.9
82%
1018
13:00
+11°C
24.8
79%
1019
14:00
+11°C
22
82%
1019
15:00
+12°C
21.2
85%
1018
16:00
+11°C
24.1
91%
1018
17:00
+11°C
20.2
90%
1018
18:00
+11°C
23
95%
1019
19:00
+11°C
20.9
97%
1019
20:00
+11°C
20.2
97%
1018
21:00
+12°C
26.6
95%
1018
22:00
+12°C
26.3
94%
1018
23:00
+12°C
26
95%
1018
22 February 2026, Sunday
+10°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+12°C
23
95%
1018
01:00
+11°C
23.1
96%
1018
02:00
+11°C
22.3
96%
1017
03:00
+11°C
24
95%
1017
04:00
+11°C
25.1
94%
1016
05:00
+11°C
24.6
95%
1016
06:00
+11°C
25.1
93%
1016
07:00
+11°C
24.3
92%
1016
08:00
+11°C
23.5
90%
1016
09:00
+11°C
23
87%
1016
10:00
+11°C
24.1
84%
1016
11:00
+12°C
21.5
82%
1016
12:00
+12°C
23.4
81%
1016
13:00
+11°C
25.2
85%
1016
14:00
+11°C
23.3
89%
1015
15:00
+11°C
21.6
94%
1014
16:00
+11°C
21.9
93%
1014
17:00
+10°C
21.1
95%
1014
18:00
+10°C
20.6
95%
1013
19:00
+10°C
19.9
95%
1013
20:00
+10°C
21.1
95%
1012
21:00
+10°C
21.5
95%
1012
22:00
+10°C
21.8
94%
1012
23:00
+10°C
21.5
95%
1012
23 February 2026, Monday
+8°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+10°C
22.1
94%
1012
01:00
+10°C
22
92%
1012
02:00
+10°C
21.7
92%
1011
03:00
+9°C
21.4
92%
1011
04:00
+9°C
21.3
92%
1011
05:00
+9°C
21.6
92%
1011
06:00
+9°C
21.8
92%
1011
07:00
+8°C
22.1
91%
1011
08:00
+9°C
21.7
89%
1011
09:00
+9°C
20.7
86%
1011
10:00
+10°C
20.8
83%
1011
11:00
+11°C
22.5
78%
1012
12:00
+11°C
25.3
72%
1012
13:00
+12°C
27.3
68%
1012
14:00
+12°C
27.7
65%
1012
15:00
+12°C
27.2
64%
1012
16:00
+12°C
26
64%
1012
17:00
+11°C
24
68%
1013
18:00
+10°C
21.6
74%
1014
19:00
+10°C
19.4
80%
1015
20:00
+9°C
17.7
84%
1015
21:00
+9°C
16.3
86%
1016
22:00
+9°C
15.3
88%
1016
23:00
+8°C
14.7
90%
1017
24 February 2026, Tuesday
+8°C / +14°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+8°C
14.3
92%
1018
01:00
+8°C
13.8
94%
1018
02:00
+8°C
12.9
95%
1018
03:00
+8°C
11.8
96%
1018
04:00
+8°C
11.7
96%
1018
05:00
+9°C
12.7
95%
1018
06:00
+9°C
14.1
93%
1018
07:00
+9°C
15.1
91%
1018
08:00
+9°C
15.1
89%
1018
09:00
+9°C
15
86%
1018
10:00
+10°C
14.6
84%
1018
11:00
+11°C
14.4
81%
1018
12:00
+12°C
14.5
78%
1018
13:00
+13°C
14.7
76%
1018
14:00
+13°C
15.3
72%
1017
15:00
+14°C
16.2
70%
1016
16:00
+14°C
16.6
69%
1016
17:00
+13°C
16.1
71%
1015
18:00
+12°C
15.2
77%
1015
19:00
+11°C
14.4
81%
1015
20:00
+11°C
14.3
83%
1015
21:00
+10°C
14.3
83%
1015
22:00
+10°C
14.5
84%
1014
23:00
+9°C
14.6
84%
1014
25 February 2026, Wednesday
+9°C / +16°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
14.8
83%
1014
01:00
+9°C
14.9
83%
1013
02:00
+9°C
15.3
81%
1013
03:00
+9°C
15.5
80%
1012
04:00
+9°C
15.6
78%
1011
05:00
+9°C
15
79%
1011
06:00
+9°C
14
80%
1011
07:00
+9°C
13.4
80%
1011
08:00
+10°C
16.8
86%
1009
09:00
+11°C
17.8
81%
1009
10:00
+12°C
18.8
76%
1009
11:00
+14°C
19.8
71%
1008
12:00
+15°C
20.5
67%
1008
13:00
+16°C
20.8
65%
1008
14:00
+16°C
20.5
64%
1008
15:00
+16°C
19.6
65%
1008
16:00
+15°C
18.5
67%
1008
17:00
+15°C
17.3
68%
1008
18:00
+14°C
16.4
71%
1008
19:00
+14°C
15.9
73%
1008
20:00
+14°C
16.1
75%
1008
21:00
+13°C
16.5
78%
1008
22:00
+12°C
17
82%
1007
23:00
+12°C
18
85%
1007
26 February 2026, Thursday
+9°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+11°C
18.8
88%
1007
01:00
+11°C
19.6
90%
1007
02:00
+10°C
20.4
91%
1006
03:00
+10°C
21.5
92%
1006
04:00
+10°C
22.5
92%
1006
05:00
+10°C
23.4
90%
1005
06:00
+10°C
24.2
89%
1005
07:00
+10°C
24.6
87%
1004
08:00
+10°C
24.5
84%
1004
09:00
+10°C
24.2
81%
1003
10:00
+11°C
23.8
77%
1002
11:00
+11°C
23.3
73%
1001
12:00
+12°C
22.9
71%
1000
13:00
+12°C
22.6
69%
999
14:00
+12°C
22.5
70%
998
15:00
+11°C
22.3
72%
996
16:00
+11°C
22.4
75%
994
17:00
+11°C
22.3
79%
993
18:00
+10°C
22.2
82%
991
19:00
+10°C
21.8
85%
990
20:00
+9°C
20.9
86%
989
21:00
+9°C
20.2
88%
989
22:00
+9°C
19.6
90%
988
23:00
+9°C
19.6
91%
988
27 February 2026, Friday
+5°C / +8°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+8°C
19.8
92%
988
01:00
+8°C
20.1
92%
987
02:00
+8°C
19.9
93%
987
03:00
+8°C
19.6
93%
987
04:00
+8°C
18.9
93%
987
05:00
+7°C
18.2
93%
986
06:00
+7°C
17.5
92%
986
07:00
+7°C
16.6
92%
987
08:00
+7°C
15.6
91%
987
09:00
+8°C
15.2
89%
987
10:00
+8°C
15.4
87%
987
11:00
+8°C
16.5
86%
988
12:00
+8°C
18
84%
989
13:00
+8°C
19.4
84%
989
14:00
+8°C
20.4
84%
990
15:00
+7°C
21.2
86%
991
16:00
+7°C
21.7
88%
993
17:00
+6°C
22.2
90%
994
18:00
+6°C
22.4
92%
995
19:00
+5°C
22.7
93%
996
20:00
+5°C
22.9
93%
997
21:00
+5°C
23.3
94%
998
22:00
+5°C
23.2
93%
999
23:00
+5°C
23.2
92%
1000
28 February 2026, Saturday
+2°C / +5°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+4°C
22.8
91%
1001
01:00
+4°C
22.3
90%
1002
02:00
+4°C
21.5
88%
1003
03:00
+4°C
20.1
86%
1003
04:00
+4°C
18.6
84%
1004
05:00
+3°C
17.1
82%
1005
06:00
+3°C
16.1
80%
1006
07:00
+3°C
15.4
78%
1007
08:00
+3°C
15.3
76%
1007
09:00
+4°C
15.8
75%
1008
10:00
+4°C
16.8
73%
1009
11:00
+5°C
17.5
71%
1010
12:00
+5°C
18.1
71%
1011
13:00
+5°C
18.1
71%
1011
14:00
+5°C
17.1
72%
1012
15:00
+5°C
15.6
74%
1012
16:00
+4°C
13.5
77%
1013
17:00
+4°C
11.4
80%
1013
18:00
+4°C
9.9
83%
1014
19:00
+3°C
8.8
85%
1014
20:00
+3°C
8.8
85%
1014
21:00
+3°C
9.4
84%
1015
22:00
+2°C
10.5
83%
1015
23:00
+2°C
11.7
82%
1015
01 March 2026, Sunday
--1°C / +7°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+1°C
12.7
81%
1015
01:00
+1°C
13.2
81%
1015
02:00
0
13.1
82%
1015
03:00
-0
12.8
84%
1016
04:00
-1
12.5
87%
1016
05:00
-1
12.2
90%
1016
06:00
-1
12.5
91%
1016
07:00
-1
13.2
90%
1015
08:00
0
14.2
87%
1015
09:00
+2°C
15.1
81%
1015
10:00
+3°C
16.4
75%
1015
11:00
+5°C
17.6
69%
1015
12:00
+7°C
18.8
65%
1014
13:00
+7°C
20
64%
1014
14:00
+7°C
21.4
65%
1013
15:00
+7°C
23
68%
1013
16:00
+6°C
24.7
71%
1012
17:00
+6°C
26
76%
1012
18:00
+5°C
27.2
81%
1011
19:00
+4°C
27.7
85%
1011
20:00
+4°C
27.5
87%
1010
21:00
+4°C
26.9
90%
1010
22:00
+4°C
25.8
92%
1010
23:00
+4°C
24.5
93%
1009
02 March 2026, Monday
+4°C / +12°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+4°C
23.2
94%
1009
01:00
+4°C
22.2
95%
1009
02:00
+5°C
21.3
96%
1008
03:00
+5°C
20.5
97%
1008
04:00
+6°C
20
97%
1008
05:00
+7°C
20.1
97%
1008
06:00
+8°C
20.6
96%
1008
07:00
+9°C
21.5
94%
1008
08:00
+9°C
23.1
91%
1008
09:00
+10°C
25.4
86%
1009
10:00
+11°C
27.7
80%
1009
11:00
+11°C
29.8
75%
1010
12:00
+12°C
31.2
72%
1010
13:00
+12°C
31.5
69%
1010
14:00
+12°C
30.2
69%
1011
15:00
+12°C
27.5
69%
1011
16:00
+12°C
24.5
70%
1012
17:00
+11°C
21.3
72%
1012
18:00
+11°C
19
74%
1012
19:00
+10°C
17.4
75%
1012
20:00
+10°C
16.8
77%
1013
21:00
+10°C
16.8
79%
1013
22:00
+9°C
17
82%
1013
23:00
+9°C
17.1
84%
1013
03 March 2026, Tuesday
+7°C / +11°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+9°C
17.3
86%
1014
01:00
+8°C
17.1
88%
1014
02:00
+8°C
16.6
89%
1014
03:00
+8°C
15.9
90%
1014
04:00
+7°C
15.1
91%
1014
05:00
+7°C
14.3
92%
1014
06:00
+7°C
13.4
92%
1015
07:00
+7°C
12.7
90%
1015
08:00
+8°C
12.2
87%
1015
09:00
+9°C
12
83%
1016
10:00
+9°C
12
78%
1016
11:00
+10°C
12.1
73%
1017
12:00
+11°C
12.1
70%
1017
13:00
+11°C
11.6
68%
1018
14:00
+11°C
10.5
68%
1018
15:00
+11°C
8.8
70%
1018
16:00
+11°C
6.9
73%
1019
17:00
+10°C
5
76%
1019
18:00
+10°C
3.7
79%
1019
19:00
+9°C
3.7
81%
1020
20:00
+9°C
4.8
82%
1020
21:00
+8°C
6.7
83%
1021
22:00
+8°C
8.5
82%
1022
23:00
+8°C
10.4
82%
1022
04 March 2026, Wednesday
+3°C / +9°C
Hour
Temperature
Wind (km/h)
Humidity
Weather
Pressure
00:00
+7°C
11.9
83%
1023
01:00
+7°C
12.9
83%
1024
02:00
+6°C
13.2
86%
1024
03:00
+5°C
12.8
89%
1025
04:00
+4°C
12.1
93%
1026
05:00
+4°C
11.4
97%
1026
06:00
+3°C
10.7
98%
1027
07:00
+3°C
10.3
98%
1027
08:00
+4°C
10.2
93%
1028
09:00
+5°C
10.3
85%
1028
10:00
+6°C
10.6
76%
1029
11:00
+7°C
10.6
68%
1029
12:00
+8°C
10.7
63%
1029
13:00
+9°C
10.7
60%
1030
14:00
+9°C
10.4
59%
1030
15:00
+8°C
9.9
61%
1030
16:00
+8°C
9.6
63%
1029
17:00
+8°C
9.3
67%
1029
18:00
+7°C
9
70%
1029
19:00
+6°C
8.6
73%
1029
20:00
+6°C
8.1
75%
1029
21:00
+5°C
7.5
78%
1029
22:00
+4°C
7
81%
1029
23:00
+4°C
7
83%
1029


Climate Characteristics of Aalst

General Overview

Aalst enjoys a temperate oceanic climate (Cfb per the Köppen classification), typical of central Belgium. The city's weather is influenced by its relative proximity to the North Sea, resulting in mild temperatures throughout the year and precipitation spread fairly evenly across seasons. Cloud cover is high and rain can occur at any time, keeping the agricultural surroundings of the city green and fertile.

Summer Season and Warm Months

Summer in Aalst is pleasant and very comfortable. Average daytime temperatures range between 22°C and 23°C (72-73°F), making it an ideal time for walking tours in the historic city center. Although days are mostly sunny, short summer showers are a common sight, and occasionally short heatwaves strike the area, pushing temperatures above 30°C (86°F).

Winter Season and Precipitation

Winter in Aalst is cool, grey, and humid. Daytime temperatures range around 6°C (43°F), with nighttime lows near 1°C (34°F). Snow is not very common and usually melts quickly, while rain and fog are central features of the season. Westerly winds from the ocean can increase the wind chill on clear days.

Transition Seasons and Special Phenomena

The transition seasons in Aalst are characterized by frequent weather changes. Spring brings gradual warming but is very volatile, while autumn features a decrease in sunshine hours and beautiful foliage along the banks of the Dender River. February is sometimes known for particularly stormy weather, coinciding with the famous Aalst Carnival.

 

Weather in Aalst by Month

January

The coldest month. Temperatures around 6°C (43°F) during the day and 1°C (34°F) at night. Most days are cloudy and rainy.

February

The weather remains cold with a daytime average of 7°C (45°F). Strong winds and rain are possible, but days are starting to lengthen.

March

Spring arrives with daytime temperatures of about 11°C (52°F). Volatile weather – sunny moments alongside cold rain showers.

April

Temperatures climb to 15°C (59°F). Blossoms are seen throughout the city and the atmosphere becomes more pleasant.

May

A very pleasant month with an average temperature of 19°C (66°F). Days are long and bright, and nature is at peak bloom.

June

Summer begins with an average of 21°C (70°F) during the day. Daylight hours are very long and evenings are pleasant.

July

The warmest month (average 23°C/73°F daytime). Comfortable weather that usually does not become oppressive.

August

Similar to July with 23°C (73°F) during the day. Brief afternoon thunderstorms may occur.

September

Temperatures drop to an average of 20°C (68°F). The air is very pleasant and foliage begins to appear.

October

Autumn is felt with 15°C (59°F) during the day. A wetter and cooler month, but the city is beautiful in its autumnal hues.

November

A grey and cool month with 10°C (50°F) during the day. Sunshine hours decrease significantly and rain is frequent.

December

Winter returns with 6°C (43°F) during the day. Christmas markets and lights add warmth to the short, humid days.

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