Weather in Summerville, United States 🇺🇸
In Summerville right now it is 26°C and clear, feeling like 30°C. Humidity is 84% with winds around 8 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Summerville range from about 21°C to 36°C. ⚠️ Special Marine Warning issued June 21 at 6:57PM EDT until June 21 at 8:30PM EDT by NWS Charleston SC
Hourly Forecast for Summerville
14-Day Forecast for Summerville
Sunny
Partly Cloudy
Sunny
Sunny
Sunny
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Patchy rain nearby
Moderate rain
Patchy rain nearby
Patchy rain nearby
Moderate rain
Sunny
Additional Forecasts for Summerville
Air Quality
Historical Weather
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Best Time to Be Outside in Summerville Tomorrow
There is no good daylight window left in Summerville today. Tomorrow, the most comfortable window looks like 08:00 to 10:00, when it is around 27°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Summerville
What is the temperature in Summerville right now?
The current temperature in Summerville is 26°C (80°F), clear (feels like 30°C).
What's the weather like in Summerville right now?
Conditions in Summerville right now: Clear, humidity 84%, wind 8 km/h S.
What is today's forecast for Summerville?
Today in Summerville: high 35°C, low 21°C, sunny. Chance of rain: 6%.
What is the 7-day weather forecast for Summerville?
Daily highs and lows for Summerville:
- 2026-06-21: 35°C / 21°C
- 2026-06-22: 36°C / 23°C
- 2026-06-23: 36°C / 25°C
- 2026-06-24: 34°C / 21°C
- 2026-06-25: 35°C / 22°C
- 2026-06-26: 34°C / 23°C
- 2026-06-27: 36°C / 23°C
Is it going to rain in Summerville today?
There is a 6% chance of rain in Summerville today.
What is the wind speed in Summerville right now?
Wind in Summerville is currently 8 km/h (5 mph) from the S.
What is the UV index in Summerville right now?
The UV index in Summerville is currently 0 (low). Sun protection is recommended when the index is 3 or higher.
