Princeton Weather Forecast 15 Days, Weather in Princeton Today
Current weather conditions and 15 day weather forecast for Princeton, 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 Princeton
| 18 September 2026 Friday 22.7 ° C / 72.9°F  Clear |
Feels Like : 22.7 ° C / 72.9°F Humidity : % 57 Pressure : 1020 mb Wind Speed : 6.5 kmph / 4 miles from WSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 23 |
15 day weather forecast for Princeton, SC, USA
Weather Forecast for next 15 Days for Princeton 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 Princeton, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 September 2026 Friday | Sunny |
22.3 ° C (72.1°F) |
35.3 ° C (95.5°F) |
26.6 ° C (79.8°F) |
% 57 | 57% | 7.8 | Sunrise:07:14 AM Sunset: 07:32 PM |
Moonrise:03:03 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday |  Overcast |
21.9 ° C (71.4°F) |
27.5 ° C (81.5°F) |
24.5 ° C (76.2°F) |
% 78 | 77% | 6.4 | Sunrise:07:15 AM Sunset: 07:30 PM |
Moonrise:03:50 PM Moonset: 12:31 AM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday |  Patchy rain nearby |
20.1 ° C (68.1°F) |
30.2 ° C (86.3°F) |
24.2 ° C (75.5°F) |
% 81 | 83% | 7.6 | Sunrise:07:15 AM Sunset: 07:29 PM |
Moonrise:04:30 PM Moonset: 01:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday |  Light rain shower |
21.6 ° C (70.8°F) |
29.8 ° C (85.6°F) |
23.8 ° C (74.9°F) |
% 86 | 86% | 6.4 | Sunrise:07:16 AM Sunset: 07:27 PM |
Moonrise:05:04 PM Moonset: 02:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
20.6 ° C (69°F) |
27.2 ° C (80.9°F) |
23 ° C (73.3°F) |
% 86 | 78% | 6 | Sunrise:07:17 AM Sunset: 07:26 PM |
Moonrise:05:34 PM Moonset: 03:27 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
17.1 ° C (62.8°F) |
25.7 ° C (78.2°F) |
20.8 ° C (69.5°F) |
% 80 | 18% | 7 | Sunrise:07:18 AM Sunset: 07:25 PM |
Moonrise:06:00 PM Moonset: 04:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
17.4 ° C (63.3°F) |
26.9 ° C (80.4°F) |
21.7 ° C (71.1°F) |
% 71 | 13% | 7 | Sunrise:07:18 AM Sunset: 07:23 PM |
Moonrise:06:25 PM Moonset: 05:22 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
19.8 ° C (67.6°F) |
27.6 ° C (81.8°F) |
22.8 ° C (73.1°F) |
% 71 | 57% | 7 | Sunrise:07:19 AM Sunset: 07:22 PM |
Moonrise:06:49 PM Moonset: 06:19 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
16.3 ° C (61.4°F) |
25.4 ° C (77.7°F) |
20.6 ° C (69.1°F) |
% 58 | 17% | 7 | Sunrise:07:20 AM Sunset: 07:20 PM |
Moonrise:07:13 PM Moonset: 07:17 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Sunny |
13.7 ° C (56.6°F) |
24.6 ° C (76.3°F) |
18.6 ° C (65.4°F) |
% 50 | 2% | 6 | Sunrise:07:20 AM Sunset: 07:19 PM |
Moonrise:07:39 PM Moonset: 08:16 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
13 ° C (55.3°F) |
23.6 ° C (74.5°F) |
17.9 ° C (64.3°F) |
% 48 | 10% | 5 | Sunrise:07:21 AM Sunset: 07:17 PM |
Moonrise:08:08 PM Moonset: 09:18 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
15.9 ° C (60.5°F) |
18.8 ° C (65.8°F) |
17.4 ° C (63.3°F) |
% 79 | 87% | 4 | Sunrise:07:22 AM Sunset: 07:16 PM |
Moonrise:08:43 PM Moonset: 10:22 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain shower |
18.6 ° C (65.5°F) |
20.5 ° C (68.9°F) |
19.6 ° C (67.2°F) |
% 98 | 94% | 5 | Sunrise:07:23 AM Sunset: 07:15 PM |
Moonrise:09:24 PM Moonset: 11:28 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Overcast |
19 ° C (66.1°F) |
21.9 ° C (71.4°F) |
20.3 ° C (68.6°F) |
% 94 | 31% | 6 | Sunrise:07:23 AM Sunset: 07:13 PM |
Moonrise:10:13 PM Moonset: 12:34 PM Moon Phase ( Last Quarter ) |
|
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