10-Day Weather Forecast for Collinsville (IL)

Six-hourly outlook through Friday 24 July. Updated every three hours via MET Norway.

Day
Night
01:00
Morning
07:00
Afternoon
13:00
Evening
19:00
Wednesday
15 Jul
Mostly sunny
23°C (73°F)
0.2 mm (0.01 in)
Clear skies
33°C (91°F)
0.1 mm (0 in)
Clear skies
32°C (90°F)
0 mm (0 in)
Hourly ›
Thursday
16 Jul
Clear skies
26°C (79°F)
0 mm (0 in)
Mostly sunny
25°C (77°F)
0.3 mm (0.01 in)
Rain showers
33°C (91°F)
4.3 mm (0.2 in)
Partly cloudy
25°C (77°F)
0.2 mm (0.01 in)
Hourly ›
Friday
17 Jul
Clear skies
25°C (77°F)
0 mm (0 in)
Partly cloudy
25°C (77°F)
0.3 mm (0.01 in)
Rain showers
33°C (91°F)
1.1 mm (0.04 in)
Partly cloudy
29°C (84°F)
0.1 mm (0 in)
Hourly ›
Saturday
18 Jul
Light rain showers
26°C (79°F)
0.9 mm (0.04 in)
Rain showers
25°C (77°F)
1.2 mm (0.05 in)
Rain showers
33°C (91°F)
1.3 mm (0.1 in)
Partly cloudy
32°C (90°F)
0 mm (0 in)
Hourly ›
Sunday
19 Jul
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0.1 mm (0 in)
Mostly sunny
33°C (91°F)
0.4 mm (0.02 in)
Clear skies
31°C (88°F)
0 mm (0 in)
Hourly ›
Monday
20 Jul
Clear skies
24°C (75°F)
0 mm (0 in)
Mostly sunny
23°C (73°F)
0 mm (0 in)
Partly cloudy
33°C (91°F)
0 mm (0 in)
Clear skies
32°C (90°F)
0 mm (0 in)
Hourly ›
Tuesday
21 Jul
Partly cloudy
26°C (79°F)
0 mm (0 in)
Rain showers
27°C (81°F)
1.6 mm (0.1 in)
Partly cloudy
33°C (91°F)
0.3 mm (0.01 in)
Mostly clear
34°C (93°F)
0 mm (0 in)
Hourly ›
Wednesday
22 Jul
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
23°C (73°F)
0 mm (0 in)
Clear skies
30°C (86°F)
0 mm (0 in)
Clear skies
29°C (84°F)
0 mm (0 in)
Hourly ›
Thursday
23 Jul
Cloudy
21°C (70°F)
0 mm (0 in)
Cloudy
20°C (68°F)
0 mm (0 in)
Cloudy
32°C (90°F)
0 mm (0 in)
Partly cloudy
32°C (90°F)
0 mm (0 in)
Hourly ›
Friday
24 Jul
Mostly clear
28°C (82°F)
0 mm (0 in)
Clear skies
27°C (81°F)
0 mm (0 in)
Clear skies
33°C (91°F)
0 mm (0 in)
Hourly ›
Data from MET Norway · Updated every three hours.

What's the weather in Collinsville this week?

Today's weather - Wednesday 15 Jul

For Wednesday the predicted weather in Collinsville is clear skies with some rain. The maximum temperature is a very warm 33°C (91°F), while the minimum temperature is a warm 23°C (73°F).

Tomorrow's weather - Thursday 16 Jul

On Thursday, Collinsville will be rain showers during the afternoon. The maximum predicted temperature is a very warm 33°C (91°F), while the minimum temperature is a warm 25°C (77°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Collinsville will vary between 30°C (86°F) and 34°C (93°F). Daytime highs during this period will average around 33°C (91°F), with nighttime lows around 25°C (77°F). Compared to July norms, this represents typical weather. The next 10 days will feature some sunshine. Precipitation levels will be less than usual (versus normal July rainfall), with some rainy days. Precipitation is expected on roughly 4 days (Thu, Fri, Sat, Tue). Wind patterns will be generally calm.

Weather Forecast FAQ for Collinsville

When will be the warmest day next week?

The warmest day is expected to be Tuesday 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 23°C (73°F).

Will it rain next week in Collinsville?

Yes, rain is expected on 4 days , specifically on Thu, Fri, Sat, Tue.

How much rainfall is expected next week?

A total of 12 mm (0.5 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 23°C (73°F) to 34°C (93°F).

More about Collinsville

Explore the full Collinsville climate overview with monthly averages, or check rainfall data and temperature by month.

Collinsville weather by month

Browse monthly averages for Collinsville: climate by month with temperature, rainfall and sunshine.

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