Barnwell Weather Forecast 15 Days, Weather in Barnwell Today
Current weather conditions and 15 day weather forecast for Barnwell, South Carolina, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Barnwell
| 17 September 2026 Thursday 29.3 ° C / 84.7°F  Sunny |
Feels Like : 29.1 ° C / 84.4°F Humidity : % 42 Pressure : 1021 mb Wind Speed : 10.4 kmph / 6.5 miles from E  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Barnwell, SC, USA
Weather Forecast for next 15 Days for Barnwell including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Barnwell, South Carolina state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday | Sunny |
19.7 ° C (67.5°F) |
33.1 ° C (91.7°F) |
25.7 ° C (78.2°F) |
% 59 | 3% | 8.2 | Sunrise:07:10 AM Sunset: 07:29 PM |
Moonrise:02:01 PM Moonset: 11:37 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Sunny |
21.1 ° C (69.9°F) |
31.1 ° C (88°F) |
25.6 ° C (78°F) |
% 69 | 57% | 8.2 | Sunrise:07:11 AM Sunset: 07:28 PM |
Moonrise:02:55 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday |  Patchy rain nearby |
22 ° C (71.6°F) |
32.8 ° C (91.1°F) |
26.1 ° C (79.1°F) |
% 69 | 58% | 8.2 | Sunrise:07:11 AM Sunset: 07:26 PM |
Moonrise:03:42 PM Moonset: 12:32 AM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday |  Partly Cloudy |
22.2 ° C (72°F) |
32.4 ° C (90.4°F) |
26.4 ° C (79.5°F) |
% 71 | 63% | 7.8 | Sunrise:07:12 AM Sunset: 07:25 PM |
Moonrise:04:23 PM Moonset: 01:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Overcast |
22 ° C (71.7°F) |
31.8 ° C (89.2°F) |
26.2 ° C (79.2°F) |
% 72 | 12% | 7 | Sunrise:07:13 AM Sunset: 07:24 PM |
Moonrise:04:57 PM Moonset: 02:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday |  Light rain shower |
22.8 ° C (73°F) |
32.6 ° C (90.7°F) |
26.3 ° C (79.3°F) |
% 77 | 71% | 8 | Sunrise:07:13 AM Sunset: 07:22 PM |
Moonrise:05:28 PM Moonset: 03:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Light rain shower |
23.4 ° C (74.1°F) |
32.2 ° C (90°F) |
26.8 ° C (80.2°F) |
% 75 | 74% | 8 | Sunrise:07:14 AM Sunset: 07:21 PM |
Moonrise:05:55 PM Moonset: 04:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Partly Cloudy |
23.8 ° C (74.8°F) |
32.9 ° C (91.2°F) |
27 ° C (80.6°F) |
% 69 | 11% | 8 | Sunrise:07:15 AM Sunset: 07:19 PM |
Moonrise:06:20 PM Moonset: 05:20 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
19.7 ° C (67.5°F) |
29.6 ° C (85.2°F) |
24.7 ° C (76.4°F) |
% 47 | 3% | 7 | Sunrise:07:15 AM Sunset: 07:18 PM |
Moonrise:06:45 PM Moonset: 06:16 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
15.9 ° C (60.6°F) |
23.2 ° C (73.8°F) |
19.6 ° C (67.4°F) |
% 36 | 9% | 5 | Sunrise:07:16 AM Sunset: 07:17 PM |
Moonrise:07:10 PM Moonset: 07:13 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
14.9 ° C (58.8°F) |
24.3 ° C (75.7°F) |
19.4 ° C (67°F) |
% 42 | 10% | 5 | Sunrise:07:17 AM Sunset: 07:15 PM |
Moonrise:07:37 PM Moonset: 08:11 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
17 ° C (62.6°F) |
25.7 ° C (78.3°F) |
21.1 ° C (70°F) |
% 57 | 12% | 6 | Sunrise:07:17 AM Sunset: 07:14 PM |
Moonrise:08:07 PM Moonset: 09:12 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
20.3 ° C (68.6°F) |
29.9 ° C (85.9°F) |
24.2 ° C (75.5°F) |
% 64 | 15% | 6 | Sunrise:07:18 AM Sunset: 07:13 PM |
Moonrise:08:42 PM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
21.6 ° C (70.8°F) |
28.7 ° C (83.6°F) |
24.6 ° C (76.3°F) |
% 72 | 64% | 6 | Sunrise:07:19 AM Sunset: 07:11 PM |
Moonrise:09:23 PM Moonset: 11:20 AM Moon Phase ( Waning Gibbous ) |
|
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