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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
27°C
Clear sky · feels 28°C
Humidity
65%
relative humidity
Wind
18 km/h
10m wind speed
Chance of rain
1%
today
Next 24 hours in Collinsville
| Time | Conditions | Temp | Rain chance |
|---|---|---|---|
| 12pm | Clear sky | 27°C | 0% |
| 1pm | Clear sky | 27°C | 0% |
| 2pm | Clear sky | 28°C | 0% |
| 3pm | Overcast | 28°C | 0% |
| 4pm | Overcast | 27°C | 0% |
| 5pm | Overcast | 27°C | 0% |
| 6pm | Mainly clear | 26°C | 0% |
| 7pm | Clear sky | 25°C | 0% |
| 8pm | Overcast | 23°C | 1% |
| 9pm | Overcast | 23°C | 0% |
| 10pm | Overcast | 22°C | 1% |
| 11pm | Overcast | 22°C | 1% |
| 12am | Overcast | 21°C | 1% |
| 1am | Overcast | 21°C | 1% |
| 2am | Overcast | 21°C | 0% |
| 3am | Overcast | 20°C | 0% |
| 4am | Overcast | 20°C | 0% |
| 5am | Overcast | 19°C | 0% |
| 6am | Overcast | 19°C | 0% |
| 7am | Overcast | 20°C | 0% |
| 8am | Overcast | 21°C | 0% |
| 9am | Overcast | 22°C | 0% |
| 10am | Overcast | 23°C | 0% |
| 11am | Overcast | 24°C | 0% |
14-day forecast for Collinsville
| Day | Conditions | High / Low | Rain chance |
|---|---|---|---|
| Today | Overcast | 28° / 22° | 1% |
| Thu, Jul 16 | Overcast | 27° / 19° | 1% |
| Fri, Jul 17 | Overcast | 28° / 16° | 1% |
| Sat, Jul 18 | Moderate drizzle | 24° / 16° | 79% |
| Sun, Jul 19 | Moderate drizzle | 25° / 15° | 79% |
| Mon, Jul 20 | Overcast | 27° / 12° | 6% |
| Tue, Jul 21 | Slight rain showers | 27° / 14° | 48% |
| Wed, Jul 22 | Clear sky | 26° / 12° | 43% |
| Thu, Jul 23 | Overcast | 27° / 12° | 16% |
| Fri, Jul 24 | Light drizzle | 27° / 11° | 12% |
| Sat, Jul 25 | Moderate drizzle | 27° / 15° | 19% |
| Sun, Jul 26 | Overcast | 22° / 10° | 58% |
| Mon, Jul 27 | Mainly clear | 26° / 10° | 48% |
| Tue, Jul 28 | Overcast | 28° / 14° | 29% |
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.