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Weather in Summerville, United States 🇺🇸

Current Weather in Summerville

Small Craft Advisory issued June 22 at 2:10PM EDT until June 23 at 6:00AM EDT by NWS Charleston SC
Clear
29°C
Feels like 31°C. Clear.
🌬️ 12 km/h SW
💧 70% Humidity
🧭 1016 hPa
👁️ 16.0 km Visibility
☀️ UV Index: 0.0
🌡️ Dew Point: 20°C
🌅 Sunrise: 06:12 AM
🌇 Sunset: 08:32 PM
Map Overlays:

In Summerville right now it is 29°C and clear, feeling like 31°C. Humidity is 70% with winds around 12 km/h, and the UV index is 0 (low). Over the next few days, temperatures in Summerville range from about 22°C to 38°C. ⚠️ Small Craft Advisory issued June 22 at 2:10PM EDT until June 23 at 6:00AM EDT by NWS Charleston SC

Hourly Forecast for Summerville

22:00
Clear
30°
3%
23:00
Clear
29°
4%
00:00
Clear
28°
5%
01:00
Clear
28°
6%
02:00
Clear
27°
6%
03:00
Clear
26°
6%
04:00
Clear
26°
6%
05:00
Clear
25°
8%
06:00
Clear
25°
9%
07:00
Sunny
26°
8%
08:00
Sunny
28°
7%
09:00
Sunny
29°
4%
10:00
Sunny
31°
4%
11:00
Sunny
32°
2%
12:00
Sunny
34°
1%
13:00
Sunny
35°
1%
14:00
Sunny
35°
2%
15:00
Sunny
36°
2%
16:00
Sunny
36°
2%
17:00
Sunny
35°
1%
18:00
Sunny
34°
2%
19:00
Sunny
32°
2%
20:00
Sunny
31°
2%
21:00
Clear
29°
2%

14-Day Forecast for Summerville

Mon, Jun 22
Sunny Sunny
38° / 23°
Tue, Jun 23
Sunny Sunny
36° / 25°
Wed, Jun 24
Partly Cloudy Partly Cloudy
33° / 22°
Thu, Jun 25
Sunny Sunny
36° / 22°
Fri, Jun 26
Sunny Sunny
38° / 23°
Sat, Jun 27
Sunny Sunny
38° / 24°
Sun, Jun 28
Moderate rain Moderate rain
39° / 22°
Mon, Jun 29
Patchy rain nearby Patchy rain nearby
36° / 23°
Tue, Jun 30
Patchy rain nearby Patchy rain nearby
35° / 24°
Wed, Jul 01
Sunny Sunny
33° / 23°
Thu, Jul 02
Sunny Sunny
32° / 21°
Fri, Jul 03
Partly Cloudy Partly Cloudy
35° / 22°
Sat, Jul 04
Patchy rain nearby Patchy rain nearby
31° / 23°
Sun, Jul 05
Partly Cloudy Partly Cloudy
32° / 22°

Additional Forecasts for Summerville

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 121.0 μg/m³
O₃ (Ozone) 73.0 μg/m³
NO₂ (Nitrogen Dioxide) 3.8 μg/m³
SO₂ (Sulphur Dioxide) 0.6 μg/m³
PM2.5 (Fine particles) 6.4 μg/m³
PM10 (Coarse particles) 6.9 μg/m³

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 07:00 to 09:00, when it is around 28°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 29°C (85°F), clear (feels like 31°C).

What's the weather like in Summerville right now?

Conditions in Summerville right now: Clear, humidity 70%, wind 12 km/h SW.

What is today's forecast for Summerville?

Today in Summerville: high 38°C, low 23°C, sunny. Chance of rain: 7%.

What is the 7-day weather forecast for Summerville?

Daily highs and lows for Summerville:

  • 2026-06-22: 38°C / 23°C
  • 2026-06-23: 36°C / 25°C
  • 2026-06-24: 33°C / 22°C
  • 2026-06-25: 36°C / 22°C
  • 2026-06-26: 38°C / 23°C
  • 2026-06-27: 38°C / 24°C
  • 2026-06-28: 39°C / 22°C
Is it going to rain in Summerville today?

There is a 7% chance of rain in Summerville today.

What is the wind speed in Summerville right now?

Wind in Summerville is currently 12 km/h (7 mph) from the SW.

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.

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