Great Valley Weather Forecast 15 Days, Weather in Great Valley Today
Current weather conditions and 15 day weather forecast for Great Valley, New York, 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 Great Valley
| 05 December 2025 Friday -17.2 ° C / 1°F  Sunny |
Feels Like : -22.3 ° C / -8.2°F Humidity : % 91 Pressure : 1017 mb Wind Speed : 6.8 kmph / 4.3 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Great Valley, NY, USA
Weather Forecast for next 15 Days for Great Valley 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 Great Valley, New York 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Partly Cloudy |
-16.1 ° C (3°F) |
-3.1 ° C (26.4°F) |
-9.3 ° C (15.2°F) |
% 69 | 0% | 0.3 | Sunrise:07:28 AM Sunset: 04:43 PM |
Moonrise:05:08 PM Moonset: 08:36 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday |  Overcast |
-5.4 ° C (22.3°F) |
0.2 ° C (32.4°F) |
-2.6 ° C (27.4°F) |
% 88 | 0% | 0.3 | Sunrise:07:29 AM Sunset: 04:43 PM |
Moonrise:06:21 PM Moonset: 09:41 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Moderate or heavy snow showers |
-4.2 ° C (24.5°F) |
0 ° C (32°F) |
-1.4 ° C (29.5°F) |
% 90 | 69% | 0.2 | Sunrise:07:30 AM Sunset: 04:43 PM |
Moonrise:07:40 PM Moonset: 10:31 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Moderate snow |
-19.2 ° C (-2.6°F) |
-7.7 ° C (18.1°F) |
-11.2 ° C (11.8°F) |
% 91 | 87% | 0.3 | Sunrise:07:31 AM Sunset: 04:42 PM |
Moonrise:08:57 PM Moonset: 11:09 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Patchy moderate snow |
-17.2 ° C (1°F) |
-2.9 ° C (26.8°F) |
-9.7 ° C (14.5°F) |
% 92 | 83% | 0 | Sunrise:07:32 AM Sunset: 04:43 PM |
Moonrise:10:10 PM Moonset: 11:39 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Moderate rain |
-0 ° C (32°F) |
3.5 ° C (38.3°F) |
1.3 ° C (34.3°F) |
% 97 | 89% | 1 | Sunrise:07:33 AM Sunset: 04:43 PM |
Moonrise:11:19 PM Moonset: 12:02 PM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday |  Light snow showers |
-5.1 ° C (22.8°F) |
0.1 ° C (32.2°F) |
-1.1 ° C (29.9°F) |
% 94 | 65% | 1 | Sunrise:07:34 AM Sunset: 04:43 PM |
Moonrise:No moonrise Moonset: 12:23 PM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Freezing fog |
-11.3 ° C (11.6°F) |
-2.8 ° C (26.9°F) |
-6.7 ° C (19.9°F) |
% 90 | 66% | 1 | Sunrise:07:35 AM Sunset: 04:43 PM |
Moonrise:12:24 AM Moonset: 12:41 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Moderate or heavy snow showers |
-7 ° C (19.4°F) |
-4.4 ° C (24.1°F) |
-5.8 ° C (21.5°F) |
% 87 | 86% | 1 | Sunrise:07:35 AM Sunset: 04:43 PM |
Moonrise:01:28 AM Moonset: 01:00 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Light snow |
-8.6 ° C (16.5°F) |
-1.9 ° C (28.5°F) |
-5 ° C (22.9°F) |
% 93 | 65% | 1 | Sunrise:07:36 AM Sunset: 04:43 PM |
Moonrise:02:30 AM Moonset: 01:20 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday |  Mist |
-8 ° C (17.6°F) |
0.4 ° C (32.8°F) |
-3.2 ° C (26.3°F) |
% 93 | 82% | 1 | Sunrise:07:37 AM Sunset: 04:43 PM |
Moonrise:03:33 AM Moonset: 01:42 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Moderate rain |
0.5 ° C (32.9°F) |
4.1 ° C (39.3°F) |
2.5 ° C (36.6°F) |
% 99 | 89% | 1 | Sunrise:07:37 AM Sunset: 04:44 PM |
Moonrise:04:36 AM Moonset: 02:08 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Moderate rain |
0.5 ° C (32.9°F) |
2.1 ° C (35.8°F) |
1.5 ° C (34.6°F) |
% 100 | 87% | 1 | Sunrise:07:38 AM Sunset: 04:44 PM |
Moonrise:05:41 AM Moonset: 02:39 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
2.1 ° C (35.8°F) |
11.7 ° C (53.1°F) |
6 ° C (42.8°F) |
% 97 | 88% | 2 | Sunrise:07:39 AM Sunset: 04:45 PM |
Moonrise:06:43 AM Moonset: 03:18 PM Moon Phase ( Waning Crescent ) |
|
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