Current weather conditions and 15 day weather forecast for Cornwall, Pennsylvania, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 22 December 2025 Monday -0.4 ° C / 31.3°F ![]() Sunny |
Feels Like : -4 ° C / 24.8°F Humidity : % 53 Pressure : 1034 mb Wind Speed : 10.8 kmph / 6.7 miles from WNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Sunny |
-4.6 ° C (23.7°F) |
7.9 ° C (46.2°F) |
-0.3 ° C (31.4°F) |
% 56 | 0% | 0.3 | Sunrise:07:26 AM Sunset: 04:43 PM |
Moonrise:09:37 AM Moonset: 07:06 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Moderate rain |
-1.2 ° C (29.8°F) |
4.5 ° C (40.1°F) |
1.5 ° C (34.8°F) |
% 74 | 70% | 0 | Sunrise:07:26 AM Sunset: 04:44 PM |
Moonrise:10:08 AM Moonset: 08:13 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Partly Cloudy |
-1.6 ° C (29.1°F) |
4.5 ° C (40.1°F) |
1.1 ° C (34°F) |
% 81 | 0% | 0.3 | Sunrise:07:27 AM Sunset: 04:44 PM |
Moonrise:10:34 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
-0.1 ° C (31.7°F) |
2.9 ° C (37.2°F) |
1.9 ° C (35.4°F) |
% 94 | 83% | 0.1 | Sunrise:07:27 AM Sunset: 04:45 PM |
Moonrise:10:58 AM Moonset: 10:26 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
-2.1 ° C (28.2°F) |
14.6 ° C (58.3°F) |
5.7 ° C (42.2°F) |
% 93 | 88% | 0 | Sunrise:07:28 AM Sunset: 04:46 PM |
Moonrise:11:20 AM Moonset: 11:34 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-6.4 ° C (20.5°F) |
0.1 ° C (32.1°F) |
-3.3 ° C (26.1°F) |
% 51 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:46 PM |
Moonrise:11:43 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Overcast |
-2.3 ° C (27.8°F) |
3.6 ° C (38.6°F) |
0.2 ° C (32.4°F) |
% 73 | 0% | 1 | Sunrise:07:28 AM Sunset: 04:47 PM |
Moonrise:12:06 PM Moonset: 12:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
-0.9 ° C (30.4°F) |
4.6 ° C (40.3°F) |
1.1 ° C (33.9°F) |
% 73 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:48 PM |
Moonrise:12:33 PM Moonset: 01:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Heavy snow |
-1.4 ° C (29.5°F) |
-0.2 ° C (31.6°F) |
-0.5 ° C (31.1°F) |
% 89 | 70% | 1 | Sunrise:07:29 AM Sunset: 04:48 PM |
Moonrise:01:07 PM Moonset: 03:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Fog |
0.6 ° C (33.1°F) |
1.1 ° C (34°F) |
0.9 ° C (33.6°F) |
% 100 | 64% | 1 | Sunrise:07:29 AM Sunset: 04:49 PM |
Moonrise:01:50 PM Moonset: 04:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Fog |
-0.3 ° C (31.5°F) |
1.4 ° C (34.5°F) |
0.5 ° C (32.9°F) |
% 99 | 0% | 1 | Sunrise:07:29 AM Sunset: 04:50 PM |
Moonrise:02:44 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Fog |
-4.6 ° C (23.7°F) |
0.9 ° C (33.5°F) |
-1 ° C (30.1°F) |
% 98 | 0% | 1 | Sunrise:07:29 AM Sunset: 04:51 PM |
Moonrise:03:51 PM Moonset: 07:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Fog |
-1.7 ° C (28.9°F) |
1.7 ° C (35°F) |
0.1 ° C (32.2°F) |
% 99 | 0% | 1 | Sunrise:07:29 AM Sunset: 04:52 PM |
Moonrise:05:07 PM Moonset: 08:00 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Mist |
-0.9 ° C (30.4°F) |
2.3 ° C (36.1°F) |
0.9 ° C (33.6°F) |
% 97 | 86% | 1 | Sunrise:07:29 AM Sunset: 04:53 PM |
Moonrise:06:25 PM Moonset: 08:46 AM Moon Phase ( Waning Gibbous ) |
|