Great Falls, SC Weather Forecast | 5 Day

Updated: Wed Jul 16th 2025 7:30 PM EDT

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Great Falls, SC Weather Forecast - 7-16 - Partly Cloudy

Partly Cloudy

Wed 7-16

Partly Cloudy with a high of 94°F and a low of 74°F. Winds will be light at 10mph and gusts of 11.7mph at 11 PM. The humidity will be on the higher side, averaging about 73%, the maximum being 64% at 11 PM and 58% being its lowest at 8 PM. Barometric pressure is its highest of 30.05inHg at 11 PM, a lowest point of 30.01inHg at 8 PM with an avg 30.03inHg.

    • HI: 94°F
    • LO: 74°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      9.8 mph
    • Humidity
      73% avg.
    • UV Index
      2.5
    • Air Quality
      Good
    • Sunrise
      06:23 AM
    • Sunset
      08:36 PM
    • Moonrise
      No moonrise
    • Moonset
      12:18 PM
    • Moon Phase
      Waning Gibbous
Great Falls, SC Weather Forecast - 7-17 - Sunny

Sunny

Thu 7-17

Sunny with a high of 95°F and a low of 73°F. Winds will be light at 9mph and gusts of 13.8mph at 6 PM. The humidity will be on the higher side, averaging about 72%, the maximum being 95% at 8 AM and 50% being its lowest at 5 PM. Barometric pressure is its highest of 30.14inHg at 10 AM, a lowest point of 30.04inHg at 5 PM with an avg 30.08inHg.

    • HI: 95°F
    • LO: 73°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      8.9 mph
    • Humidity
      72% avg.
    • UV Index
      2.2
    • Air Quality
      Good
    • Sunrise
      06:23 AM
    • Sunset
      08:36 PM
    • Moonrise
      12:10 AM
    • Moonset
      01:26 PM
    • Moon Phase
      Last Quarter
Great Falls, SC Weather Forecast - 7-18 - Sunny

Sunny

Fri 7-18

Sunny with a high of 100°F and a low of 79°F. Wind will be moderate, blowing around 13mph on average and gusts of 15.3mph at 6 PM. The humidity will be on the higher side, averaging about 61%, the maximum being 85% at 8 AM and 42% being its lowest at 5 PM. Barometric pressure is its highest of 30.12inHg at 10 AM, a lowest point of 30.05inHg at 5 PM with an avg 30.08inHg.

    • HI: 100°F
    • LO: 79°F
    • Rainfall: 0%
    • Snowfall: 0%
    • Wind
      12.1 mph
    • Humidity
      61% avg.
    • UV Index
      2.5
    • Air Quality
      Good
    • Sunrise
      06:24 AM
    • Sunset
      08:35 PM
    • Moonrise
      12:40 AM
    • Moonset
      02:35 PM
    • Moon Phase
      Last Quarter
Great Falls, SC Weather Forecast - 7-19 - Patchy Rain Nearby

Patchy Rain Nearby

Sat 7-19

Scattered showers with a high of 100°F and a low of 81°F. It will likey rain in the surrounding area, having a 85% chance of a downpour with an estimated 0.02in. Winds will be light at 10mph and gusts of 14.5mph at 6 PM. Humidity levels should be comfortable, sitting around 57% on average, the maximum being 78% at 8 AM and 33% being its lowest at 3 PM. Barometric pressure is its highest of 30.11inHg at 8 AM, a lowest point of 29.96inHg at 6 PM with an avg 30.05inHg.

    • HI: 100°F
    • LO: 81°F
    • Rainfall: 85% | est. 0.02in
    • Snowfall: 0%
    • Wind
      9.4 mph
    • Humidity
      57% avg.
    • UV Index
      2.2
    • Air Quality
      Good
    • Sunrise
      06:25 AM
    • Sunset
      08:35 PM
    • Moonrise
      01:14 AM
    • Moonset
      03:48 PM
    • Moon Phase
      Waning Crescent
Great Falls, SC Weather Forecast - 7-20 - Patchy Rain Nearby

Patchy Rain Nearby

Sun 7-20

Scattered showers with a high of 102°F and a low of 73°F. It will likey rain in the surrounding area, having a 85% chance of a downpour with an estimated 0.16in. Winds will be light at 9mph and gusts of 10.2mph at 6 PM. The humidity will be on the higher side, averaging about 63%, the maximum being 90% at 7 AM and 29% being its lowest at 5 PM. Barometric pressure is its highest of 30.03inHg at 12 AM, a lowest point of 29.85inHg at 6 PM with an avg 29.94inHg.

    • HI: 102°F
    • LO: 73°F
    • Rainfall: 85% | est. 0.16in
    • Snowfall: 0%
    • Wind
      8.3 mph
    • Humidity
      63% avg.
    • UV Index
      0.1
    • Air Quality
      Moderate
    • Sunrise
      06:25 AM
    • Sunset
      08:34 PM
    • Moonrise
      01:55 AM
    • Moonset
      05:01 PM
    • Moon Phase
      Waning Crescent
Great Falls, SC Weather Forecast - 7-21 - Moderate Rain

Moderate Rain

Mon 7-21

Moderate Rain with a high of 99°F and a low of 71°F. It will likey rain, having a 87% chance of a downpour with an estimated 0.25in. Wind will be moderate, blowing around 17mph on average and gusts of 25.9mph at 8 PM. The humidity will be on the higher side, averaging about 76%, the maximum being 95% at 11 PM and 38% being its lowest at 2 PM. Barometric pressure is its highest of 29.97inHg at 11 PM, a lowest point of 29.86inHg at 5 PM with an avg 29.92inHg.

    • HI: 99°F
    • LO: 71°F
    • Rainfall: 87% | est. 0.25in
    • Snowfall: 0%
    • Wind
      16.6 mph
    • Humidity
      76% avg.
    • UV Index
      6
    • Air Quality
      TBA
    • Sunrise
      06:26 AM
    • Sunset
      08:33 PM
    • Moonrise
      02:44 AM
    • Moonset
      06:11 PM
    • Moon Phase
      Waning Crescent