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Simpsonville, SC Weather Forecast | 5 Day
Updated: Tue Jun 17th 2025 6:15 PM EDT
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Partly Cloudy
Tue 6-17
Partly Cloudy with a high of 92°F and a low of 72°F. Wind will be moderate, blowing around 13mph on average and gusts of 18.1mph at 9 PM. The humidity will be on the higher side, averaging about 77%, the maximum being 75% at 11 PM and 61% being its lowest at 7 PM. Barometric pressure is its highest of 30inHg at 11 PM, a lowest point of 29.96inHg at 8 PM with an avg 29.98inHg.
- HI: 92°F
- LO: 72°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.8 mph - Humidity
77% avg. - UV Index
2.7 - Air QualityModerate
- Sunrise
06:15 AM - Sunset
08:45 PM - Moonrise
12:50 AM - Moonset
12:18 PM - Moon Phase
Waning Gibbous

Sunny
Wed 6-18
Sunny with a high of 94°F and a low of 73°F. Wind will be moderate, blowing around 16mph on average and gusts of 17.8mph at 1 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 97% at 4 AM and 53% being its lowest at 5 PM. Barometric pressure is its highest of 30.08inHg at 11 AM, a lowest point of 30inHg at 12 AM with an avg 30.03inHg.
- HI: 94°F
- LO: 73°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
15.4 mph - Humidity
73% avg. - UV Index
2.9 - Air QualityGood
- Sunrise
06:16 AM - Sunset
08:45 PM - Moonrise
01:18 AM - Moonset
01:24 PM - Moon Phase
Last Quarter

Heavy Rain
Thu 6-19
Heavy Rain with a high of 89°F and a low of 73°F. It will likey rain, having a 82% chance of a downpour with an estimated 1.05in. Winds will be strong at speeds peaking at 22mph and gusts of 27mph at 7 PM. The humidity will be on the higher side, averaging about 74%, the maximum being 97% at 10 PM and 56% being its lowest at 2 PM. Barometric pressure is its highest of 30.08inHg at 8 AM, a lowest point of 30inHg at 5 PM with an avg 30.04inHg.
- HI: 89°F
- LO: 73°F
- Rainfall: 82% | est. 1.05in
- Snowfall: 0%
- Wind
21.3 mph - Humidity
74% avg. - UV Index
2.9 - Air QualityGood
- Sunrise
06:16 AM - Sunset
08:45 PM - Moonrise
01:45 AM - Moonset
02:31 PM - Moon Phase
Waning Crescent

Cloudy
Fri 6-20
Cloudy with a high of 91°F and a low of 68°F. Winds will be light at 9mph and gusts of 16.1mph at 12 AM. The humidity will be on the higher side, averaging about 72%, the maximum being 98% at 5 AM and 34% being its lowest at 5 PM. Barometric pressure is its highest of 30.14inHg at 11 AM, a lowest point of 30inHg at 5 PM with an avg 30.07inHg.
- HI: 91°F
- LO: 68°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
8.1 mph - Humidity
72% avg. - UV Index
2.6 - Air QualityGood
- Sunrise
06:16 AM - Sunset
08:45 PM - Moonrise
02:13 AM - Moonset
03:41 PM - Moon Phase
Waning Crescent

Sunny
Sat 6-21
Sunny with a high of 94°F and a low of 68°F. Wind will be moderate, blowing around 13mph on average and gusts of 16.4mph at 6 PM. Humidity levels should be comfortable, sitting around 58% on average, the maximum being 76% at 5 AM and 33% being its lowest at 4 PM. Barometric pressure is its highest of 30.16inHg at 9 AM, a lowest point of 30.06inHg at 5 PM with an avg 30.11inHg.
- HI: 94°F
- LO: 68°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.8 mph - Humidity
58% avg. - UV Index
0.1 - Air QualityModerate
- Sunrise
06:16 AM - Sunset
08:46 PM - Moonrise
02:44 AM - Moonset
04:54 PM - Moon Phase
Waning Crescent

Partly Cloudy
Sun 6-22
Partly Cloudy with a high of 94°F and a low of 71°F. Winds will be light at 10mph and gusts of 13.6mph at 11 PM. The humidity will be on the higher side, averaging about 66%, the maximum being 89% at 5 AM and 40% being its lowest at 2 PM. Barometric pressure is its highest of 30.21inHg at 8 AM, a lowest point of 30.11inHg at 5 PM with an avg 30.16inHg.
- HI: 94°F
- LO: 71°F
- Rainfall: 0% | est. 0in
- Snowfall: 0%
- Wind
9.4 mph - Humidity
66% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:16 AM - Sunset
08:46 PM - Moonrise
03:22 AM - Moonset
06:09 PM - Moon Phase
Waning Crescent
Currently
![]() |
87°F |
30.01 inHg.
Barometer 62%
Humidity SW 20.5 mph Wind |
Partly Cloudy |