10-Day Weather Forecast for Decatur (IL)
Six-hourly outlook through Friday 11 September. Updated every three hours via MET Norway.
What's the weather in Decatur this week?
Today's weather - Wednesday 2 Sep
For Wednesday the predicted weather in Decatur is clear skies. The maximum temperature is a very warm 34°C (93°F), while the minimum temperature is a warm 25°C (77°F).
Tomorrow's weather - Thursday 3 Sep
The forecast for Decatur on Thursday is clear skies. Expect highs of a very warm 34°C (93°F) and lows of around 25°C (77°F).
10-Day Weather Forecast
The 10-day forecast shows that temperatures will reach 34°C (93°F) on Wednesday before declining again. During this period, expect daytime highs around 32°C (90°F) and nighttime lows around 24°C (75°F). Compared to normal September conditions, this is much warmer than usual. The following 10 days will bring plenty of sunshine. Rain amounts are forecast to be less than usual (relative to standard September patterns), with mostly dry conditions. Precipitation is likely on about 2 days (Fri, Sat). Wind patterns will be generally calm.
Weather Forecast FAQ for Decatur
When will be the warmest day next week?
The warmest day is expected to be Wednesday with a high of 34°C (93°F).
When will be the coldest day?
The coldest day is forecasted for Monday with a low of 21°C (70°F).
Will it rain next week in Decatur?
Yes, rain is expected on 2 days , specifically on Fri, Sat.
How much rainfall is expected next week?
A total of 9 mm (0.4 in) of rain is forecasted for the 10-day period.
What will be the temperature range next week?
Temperatures will range from 21°C (70°F) to 34°C (93°F).
More about Decatur
Explore the full Decatur climate overview with monthly averages, or check rainfall data and temperature by month.
Decatur weather by month
Browse monthly averages for Decatur: climate by month with temperature, rainfall and sunshine.
Travel inspiration
Need travel inspiration? Check out our bucket list articles and be inspired.
Yosemite National Park is definitely worth a visit
Vast forests, blue lakes, towering sequoias, and majestic waterfalls hint at the beauty of Yosemite National Park—a true natural masterpiece.
The 10 most alternative cities in the United States
Discover the top 10 fun and alternative U.S. cities rich in art, culture, and adventure. From Portland's hippy charm to Sedona's stunning landscapes.
Sedona: Explore Majestic Red Rock Landscapes
A picturesque artists' town surrounded by red rocks and known for its spirituality, vortex energy, and stunning hikes like Cathedral Rock.
10 most idyllic villages to visit in the United States
Discover 10 idyllic villages in the USA, from California to Vermont. Explore their unique charm, rich history, stunning nature, and vibrant arts scenes.