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Collinsville weather

Current conditions and a 14-day forecast for Collinsville, United States. Looking for typical seasonal weather instead? See the historical climate averages.

Now

31°C

Clear sky · feels 36°C

Humidity

53%

relative humidity

Wind

5 km/h

10m wind speed

Chance of rain

3%

today

High / Low today34° / 22°
UV index8
Sunrise5:47 AM
Sunset8:24 PM

Next 24 hours in Collinsville

TimeConditionsTempRain chance
11amClear sky31°C0%
12pmClear sky32°C0%
1pmClear sky33°C0%
2pmClear sky34°C1%
3pmClear sky34°C1%
4pmClear sky34°C2%
5pmClear sky34°C1%
6pmClear sky33°C1%
7pmClear sky32°C2%
8pmClear sky30°C2%
9pmClear sky29°C2%
10pmClear sky28°C3%
11pmClear sky27°C3%
12amClear sky26°C2%
1amClear sky26°C2%
2amClear sky25°C3%
3amClear sky25°C4%
4amClear sky24°C5%
5amClear sky24°C6%
6amClear sky24°C6%
7amClear sky25°C7%
8amClear sky27°C7%
9amClear sky29°C6%
10amMainly clear31°C11%

14-day forecast for Collinsville

DayConditionsHigh / LowRain chance
TodayMainly clear34° / 22°3%
Thu, Jul 16Moderate rain showers33° / 24°31%
Fri, Jul 17Thunderstorm32° / 23°51%
Sat, Jul 18Overcast34° / 23°14%
Sun, Jul 19Thunderstorm with hail32° / 24°8%
Mon, Jul 20Light drizzle35° / 23°7%
Tue, Jul 21Slight rain showers29° / 19°8%
Wed, Jul 22Overcast27° / 16°5%
Thu, Jul 23Light drizzle35° / 20°6%
Fri, Jul 24Light drizzle32° / 22°10%
Sat, Jul 25Overcast23° / 15°15%
Sun, Jul 26Dense drizzle15° / 12°19%
Mon, Jul 27Moderate rain showers16° / 13°24%
Tue, Jul 28Light drizzle19° / 16°35%

Want more sun and moon detail for Collinsville? Use the sun calculator or moon calculator and search for Collinsville. For a live look at any other city, try the interactive weather tool.

Frequently asked questions

What's the weather like in Collinsville today?

Current conditions and today's forecast for Collinsville, United States are shown above, refreshed regularly through the day.

How accurate is a 14-day forecast?

A forecast is most reliable for the next 3-5 days. Beyond that, temperature and precipitation chances further out are a general trend rather than an exact prediction.

What is Collinsville's weather usually like?

For long-term averages — typical monthly temperatures and rainfall based on years of historical data — see Collinsville's climate page rather than this live forecast.