Aalst weather forecast for tomorrow

Weather in Aalst district tomorrow. ℃ Average temperatures % Humidity, precipitation ️ Sunrise and sunset ️ Wind direction and speed, air pollution

Tomorow Saturday, 21 February 2026


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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