Flat Lake, SC 14 Day Weather

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Flat Lake, SC Weather - 14-Day Weather Forecast

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Flat Lake SC Weather - Clear - 69°F
Clear
69°F
Updated 11:03 pm
Feels Like 77°F
Humidity 100%
Wind NNE 3 mph
Barometer  30.04 in
Dew Point 69°F
Flat Lake SC Weather - Clear - 21°C
Clear
21°C
Updated 11:03 pm
Feels Like 25°C
Humidity 100%
Wind NNE 5 km/h
Barometer  101.7 kPa
Dew Point 21°C
Flat Lake, SC Weather and Current Conditionsflat lake sc weather forecast

Flat Lake, SC Weather Forecast

Flat Lake South Carolina WeatherFlat Lake, South Carolina Weather Weather Forecast
14 Day API Flat Lake Weather Forecast. Note: Our 7 day Flat Lake weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Flat Lake, SC Weather Forecast Dated: 1103 PM Sat Sep 19 2026
Expect a very warm period with a mix of sun and clouds and occasional showers over the coming period. generally humid conditions and no major pressure swings will dominate.

Saturday, September 19, 2026

Mid-Morning
Flat Lake Weather - 2026-09-19 - Morning - Sunny
77°F 25°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-19 - Afternoon - Light Showers
90°F 32°C
Light Showers
Early-Evening
Flat Lake Weather - 2026-09-19 - Evening - Scattered Showers
80°F 27°C
Scattered Showers
Sizzling hot near 90°F 32°C with a heat index reaching 96°F 35°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds turning from the NE to the E at 9 mph 13 km/h.

Sunday, September 20, 2026

Mid-Morning
Flat Lake Weather - 2026-09-20 - Morning - Sunny
75°F 24°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-20 - Afternoon - Overcast
87°F 31°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-20 - Evening - Overcast
80°F 27°C
Overcast
Quite warm reaching 87°F 31°C, feeling like 91°F 33°C during peak afternoon, sunny in the morning, becoming overcast through the afternoon and evening, with lower humidity and steady pressure. Winds switching from the ENE to the SSE at 8 mph 13 km/h.

Monday, September 21, 2026

Mid-Morning
Flat Lake Weather - 2026-09-21 - Morning - Cloudy
78°F 25°C
Cloudy
Mid-Afternoon
Flat Lake Weather - 2026-09-21 - Afternoon - Cloudy
90°F 32°C
Cloudy
Early-Evening
Flat Lake Weather - 2026-09-21 - Evening - Overcast
81°F 27°C
Overcast
Very hot with a high of 90°F 32°C, feeling closer to 95°F 35°C in the humidity, cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure. Winds increasing from the SSW at 1 mph 2 km/h to SSE at 9 mph 14 km/h.

Tuesday, September 22, 2026

Mid-Morning
Flat Lake Weather - 2026-09-22 - Morning - Overcast
76°F 25°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-22 - Afternoon - Overcast
89°F 32°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-22 - Evening - Sunny
79°F 26°C
Sunny
Warm temperatures up to 89°F 32°C, overcast through the afternoon, turning cloudy this evening, with lower humidity and steady pressure.

Wednesday, September 23, 2026

Mid-Morning
Flat Lake Weather - 2026-09-23 - Morning - Scattered Showers
72°F 22°C
Scattered Showers
Mid-Afternoon
Flat Lake Weather - 2026-09-23 - Afternoon - Scattered Showers
72°F 22°C
Scattered Showers
Early-Evening
Flat Lake Weather - 2026-09-23 - Evening - Overcast
70°F 22°C
Overcast
Mild with a high of 72°F 22°C, scattered downpours possible, with lower humidity and steady pressure. Winds out of the NNE at 13 mph 21 km/h. Gusts up to 20 mph 32 km/h.

Thursday, September 24, 2026

Mid-Morning
Flat Lake Weather - 2026-09-24 - Morning - Scattered Showers
65°F 18°C
Scattered Showers
Mid-Afternoon
Flat Lake Weather - 2026-09-24 - Afternoon - Scattered Showers
70°F 21°C
Scattered Showers
Early-Evening
Flat Lake Weather - 2026-09-24 - Evening - Overcast
66°F 19°C
Overcast
Pleasant near 70°F 21°C, locally heavy downpours at times, with steady humidity and steady pressure. Winds shifting from the NNE to the NE at 12 mph 19 km/h.

Friday, September 25, 2026

Mid-Morning
Flat Lake Weather - 2026-09-25 - Morning - Sunny
62°F 16°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-25 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-25 - Evening - Sunny
69°F 21°C
Sunny
Comfortable with temperatures reaching 75°F 24°C, sunny throughout the day, with lower humidity and steady pressure. Winds NNE at 11 mph 17 km/h.

Saturday, September 26, 2026

Mid-Morning
Flat Lake Weather - 2026-09-26 - Morning - Sunny
62°F 16°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-26 - Afternoon - Partly Cloudy
78°F 26°C
Partly Cloudy
Early-Evening
Flat Lake Weather - 2026-09-26 - Evening - Sunny
71°F 22°C
Sunny
Enjoyable around 78°F 26°C, sunny throughout the day, with steady humidity and steady pressure. Winds switching from the WSW to the NE at 13 mph 22 km/h. Gusts up to 23 mph 37 km/h.

Sunday, September 27, 2026

Mid-Morning
Flat Lake Weather - 2026-09-27 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-27 - Afternoon - Cloudy
72°F 22°C
Cloudy
Early-Evening
Flat Lake Weather - 2026-09-27 - Evening - Cloudy
72°F 22°C
Cloudy
Mild temperatures up to 72°F 22°C, overcast in the morning, becoming cloudy through the afternoon and evening, with steady humidity and steady pressure. Winds moving from the SW to the NNE at 13 mph 20 km/h. Gusts up to 22 mph 35 km/h.

Monday, September 28, 2026

Mid-Morning
Flat Lake Weather - 2026-09-28 - Morning - Overcast
67°F 20°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-28 - Afternoon - Overcast
76°F 25°C
Overcast
Early-Evening
Flat Lake Weather - 2026-09-28 - Evening - Sunny
69°F 21°C
Sunny
Mild with a high of 76°F 25°C, overcast through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds swinging from the NNE to the SW at 7 mph 11 km/h.

Tuesday, September 29, 2026

Mid-Morning
Flat Lake Weather - 2026-09-29 - Morning - Sunny
62°F 17°C
Sunny
Mid-Afternoon
Flat Lake Weather - 2026-09-29 - Afternoon - Sunny
80°F 27°C
Sunny
Early-Evening
Flat Lake Weather - 2026-09-29 - Evening - Partly Cloudy
71°F 22°C
Partly Cloudy
Warm and summery near 80°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.

Wednesday, September 30, 2026

Mid-Morning
Flat Lake Weather - 2026-09-30 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-09-30 - Afternoon - Partly Cloudy
81°F 27°C
Partly Cloudy
Early-Evening
Flat Lake Weather - 2026-09-30 - Evening - Overcast
71°F 22°C
Overcast
Balmy with temperatures reaching 81°F 27°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure.

Thursday, October 1, 2026

Mid-Morning
Flat Lake Weather - 2026-10-01 - Morning - Overcast
66°F 19°C
Overcast
Mid-Afternoon
Flat Lake Weather - 2026-10-01 - Afternoon - Overcast
74°F 24°C
Overcast
Early-Evening
Flat Lake Weather - 2026-10-01 - Evening - Overcast
72°F 23°C
Overcast
Enjoyable around 74°F 24°C, overcast throughout the day, with lower humidity and steady pressure. Winds shifting from the NE to the N at 9 mph 15 km/h.

Friday, October 2, 2026

Mid-Morning
Flat Lake Weather - 2026-10-02 - Morning - Light Showers
66°F 19°C
Light Showers
Mid-Afternoon
Flat Lake Weather - 2026-10-02 - Afternoon - Light Showers
72°F 22°C
Light Showers
Early-Evening
Flat Lake Weather - 2026-10-02 - Evening - Light Showers
69°F 21°C
Light Showers
Mild temperatures up to 72°F 22°C, persistent showers off and on through the day, with steady humidity and steady pressure.

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Weather by the Numbers

Sat, 19th
Flat Lake SC Weather - Saturday, Sep 19, 2026 - Patchy Rain Nearby
Hi: 90°F 32°C
Lo: 72°F 22°C
Sunrise 07:03 AM
Sunset 07:18 PM
Wind NE 7 mph12 km/h
Dew Point 72°F22°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 11% *
Humidity 60%
Sun, 20th
Flat Lake SC Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 87°F 31°C
Lo: 69°F 21°C
Sunrise 07:04 AM
Sunset 07:16 PM
Wind E 8 mph12 km/h
Dew Point 69°F20°C
uv Index 7
Barometric Pressure 30 in1016 mb
POP 14% *
Humidity 59%
Mon, 21st
Flat Lake SC Weather - Monday, Sep 21, 2026 - Cloudy
Hi: 91°F 33°C
Lo: 72°F 22°C
Sunrise 07:04 AM
Sunset 07:15 PM
Wind ESE 3 mph5 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 52%
Tue, 22nd
Flat Lake SC Weather - Tuesday, Sep 22, 2026 - Overcast
Hi: 89°F 32°C
Lo: 71°F 22°C
Sunrise 07:05 AM
Sunset 07:14 PM
Wind ESE 5 mph8 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 13% *
Humidity 59%
Wed, 23rd
Flat Lake SC Weather - Wednesday, Sep 23, 2026 - Patchy Rain Nearby
Hi: 72°F 22°C
Lo: 66°F 19°C
Sunrise 07:06 AM
Sunset 07:12 PM
Wind NNE 12 mph19 km/h
Dew Point 67°F19°C
uv Index 2
Barometric Pressure 30.09 in1019 mb
POP 30% *
Humidity 89%
Thu, 24th
Flat Lake SC Weather - Thursday, Sep 24, 2026 - Patchy Rain Nearby
Hi: 70°F 21°C
Lo: 63°F 17°C
Sunrise 07:06 AM
Sunset 07:11 PM
Wind NE 12 mph19 km/h
Dew Point 61°F16°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 32% *
Humidity 79%
Fri, 25th
Flat Lake SC Weather - Friday, Sep 25, 2026 - Sunny
Hi: 75°F 24°C
Lo: 58°F 15°C
Sunrise 07:07 AM
Sunset 07:09 PM
Wind NNE 12 mph20 km/h
Dew Point 50°F10°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 2% *
Humidity 49%
Sat, 26th
Flat Lake SC Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 78°F 26°C
Lo: 56°F 14°C
Sunrise 07:08 AM
Sunset 07:08 PM
Wind NE 15 mph23 km/h
Dew Point 56°F14°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 3% *
Humidity 55%
Sun, 27th
Flat Lake SC Weather - Sunday, Sep 27, 2026 - Cloudy
Hi: 77°F 25°C
Lo: 62°F 17°C
Sunrise 07:09 AM
Sunset 07:06 PM
Wind SW 7 mph11 km/h
Dew Point 55°F13°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 14% *
Humidity 62%
Mon, 28th
Flat Lake SC Weather - Monday, Sep 28, 2026 - Overcast
Hi: 77°F 25°C
Lo: 61°F 16°C
Sunrise 07:09 AM
Sunset 07:05 PM
Wind NNE 13 mph20 km/h
Dew Point 58°F14°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 14% *
Humidity 61%
Tue, 29th
Flat Lake SC Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 80°F 27°C
Lo: 57°F 14°C
Sunrise 07:10 AM
Sunset 07:04 PM
Wind NNE 7 mph11 km/h
Dew Point 39°F4°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 0% *
Humidity 27%
Wed, 30th
Flat Lake SC Weather - Wednesday, Sep 30, 2026 - Cloudy
Hi: 81°F 27°C
Lo: 61°F 16°C
Sunrise 07:11 AM
Sunset 07:02 PM
Wind E 6 mph9 km/h
Dew Point 47°F9°C
uv Index 5
Barometric Pressure 30.12 in1020 mb
POP 8% *
Humidity 36%
Thu, 1st
Flat Lake SC Weather - Thursday, Oct 1, 2026 - Overcast
Hi: 78°F 25°C
Lo: 61°F 16°C
Sunrise 07:11 AM
Sunset 07:01 PM
Wind NE 9 mph15 km/h
Dew Point 60°F15°C
uv Index 5
Barometric Pressure 30.15 in1021 mb
POP 16% *
Humidity 67%
Fri, 2nd
Flat Lake SC Weather - Friday, Oct 2, 2026 - Light Rain Shower
Hi: 73°F 23°C
Lo: 65°F 19°C
Sunrise 07:12 AM
Sunset 07:00 PM
Wind E 6 mph10 km/h
Dew Point 67°F19°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 79% *
Humidity 95%
* POP = Probability of Precipitation. Data for 12:00 PM.