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Great Falls, SC Weather Forecast | 5 Day
Updated: Wed Jul 16th 2025 7:30 PM EDT
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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 QualityGood
- Sunrise
06:23 AM - Sunset
08:36 PM - Moonrise
No moonrise - Moonset
12:18 PM - Moon Phase
Waning Gibbous

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 QualityGood
- Sunrise
06:23 AM - Sunset
08:36 PM - Moonrise
12:10 AM - Moonset
01:26 PM - Moon Phase
Last Quarter

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 QualityGood
- Sunrise
06:24 AM - Sunset
08:35 PM - Moonrise
12:40 AM - Moonset
02:35 PM - Moon Phase
Last Quarter

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 QualityGood
- Sunrise
06:25 AM - Sunset
08:35 PM - Moonrise
01:14 AM - Moonset
03:48 PM - Moon Phase
Waning Crescent

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 QualityModerate
- Sunrise
06:25 AM - Sunset
08:34 PM - Moonrise
01:55 AM - Moonset
05:01 PM - Moon Phase
Waning Crescent

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 QualityTBA
- Sunrise
06:26 AM - Sunset
08:33 PM - Moonrise
02:44 AM - Moonset
06:11 PM - Moon Phase
Waning Crescent
Currently
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85°F |
30.04 inHg.
Barometer 75%
Humidity SSW 13.7 mph Wind |
Sunny |