Simpsonville, SC Weather Forecast | 5 Day

Updated: Tue Jun 17th 2025 6:15 PM EDT

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Simpsonville, SC Weather Forecast - 6-17 - Partly Cloudy

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 Quality
      Moderate
    • Sunrise
      06:15 AM
    • Sunset
      08:45 PM
    • Moonrise
      12:50 AM
    • Moonset
      12:18 PM
    • Moon Phase
      Waning Gibbous
Simpsonville, SC Weather Forecast - 6-18 - Sunny

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 Quality
      Good
    • Sunrise
      06:16 AM
    • Sunset
      08:45 PM
    • Moonrise
      01:18 AM
    • Moonset
      01:24 PM
    • Moon Phase
      Last Quarter
Simpsonville, SC Weather Forecast - 6-19 - Heavy Rain

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 Quality
      Good
    • Sunrise
      06:16 AM
    • Sunset
      08:45 PM
    • Moonrise
      01:45 AM
    • Moonset
      02:31 PM
    • Moon Phase
      Waning Crescent
Simpsonville, SC Weather Forecast - 6-20 - Cloudy

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 Quality
      Good
    • Sunrise
      06:16 AM
    • Sunset
      08:45 PM
    • Moonrise
      02:13 AM
    • Moonset
      03:41 PM
    • Moon Phase
      Waning Crescent
Simpsonville, SC Weather Forecast - 6-21 - Sunny

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 Quality
      Moderate
    • Sunrise
      06:16 AM
    • Sunset
      08:46 PM
    • Moonrise
      02:44 AM
    • Moonset
      04:54 PM
    • Moon Phase
      Waning Crescent
Simpsonville, SC Weather Forecast - 6-22 - Partly Cloudy

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 Quality
      TBA
    • Sunrise
      06:16 AM
    • Sunset
      08:46 PM
    • Moonrise
      03:22 AM
    • Moonset
      06:09 PM
    • Moon Phase
      Waning Crescent