Williamson Weather Forecast 15 Days, Weather in Williamson Today
Current weather conditions and 15 day weather forecast for Williamson, 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 Williamson
| 24 December 2025 Wednesday 0.6 ° C / 33.1°F  Partly cloudy |
Feels Like : -6.1 ° C / 21°F Humidity : % 66 Pressure : 1025 mb Wind Speed : 34.2 kmph / 21.3 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Williamson, NY, USA
Weather Forecast for next 15 Days for Williamson 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 Williamson, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Overcast |
-2.6 ° C (27.3°F) |
1.5 ° C (34.7°F) |
-0.3 ° C (31.5°F) |
% 77 | 0% | 0.2 | Sunrise:07:39 AM Sunset: 04:37 PM |
Moonrise:10:42 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
-4 ° C (24.8°F) |
3.1 ° C (37.6°F) |
-0.4 ° C (31.3°F) |
% 77 | 0% | 0.1 | Sunrise:07:39 AM Sunset: 04:38 PM |
Moonrise:11:04 AM Moonset: 10:26 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Light freezing rain |
-8.4 ° C (16.9°F) |
-5.8 ° C (21.6°F) |
-6.5 ° C (20.2°F) |
% 64 | 60% | 0.1 | Sunrise:07:39 AM Sunset: 04:39 PM |
Moonrise:11:24 AM Moonset: 11:37 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Light freezing rain |
-4.4 ° C (24°F) |
0.7 ° C (33.2°F) |
-1.9 ° C (28.6°F) |
% 86 | 85% | 0.2 | Sunrise:07:40 AM Sunset: 04:39 PM |
Moonrise:11:44 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Light rain |
-2.9 ° C (26.9°F) |
4.5 ° C (40°F) |
0.5 ° C (32.9°F) |
% 87 | 74% | 0 | Sunrise:07:40 AM Sunset: 04:40 PM |
Moonrise:12:05 PM Moonset: 12:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Blizzard |
-6.8 ° C (19.8°F) |
-4.8 ° C (23.4°F) |
-5.3 ° C (22.4°F) |
% 73 | 71% | 1 | Sunrise:07:40 AM Sunset: 04:41 PM |
Moonrise:12:30 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Blowing snow |
-5.1 ° C (22.7°F) |
-4 ° C (24.9°F) |
-4.5 ° C (24°F) |
% 77 | 63% | 1 | Sunrise:07:40 AM Sunset: 04:42 PM |
Moonrise:01:01 PM Moonset: 03:24 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Moderate or heavy snow showers |
-5.3 ° C (22.5°F) |
-2.5 ° C (27.4°F) |
-3.6 ° C (25.6°F) |
% 88 | 87% | 1 | Sunrise:07:40 AM Sunset: 04:43 PM |
Moonrise:01:41 PM Moonset: 04:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Heavy snow |
-15.6 ° C (3.9°F) |
-0.7 ° C (30.7°F) |
-6 ° C (21.3°F) |
% 89 | 86% | 1 | Sunrise:07:41 AM Sunset: 04:43 PM |
Moonrise:02:33 PM Moonset: 06:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Blizzard |
-14.7 ° C (5.5°F) |
-8.5 ° C (16.7°F) |
-10.6 ° C (13°F) |
% 90 | 67% | 1 | Sunrise:07:41 AM Sunset: 04:44 PM |
Moonrise:03:41 PM Moonset: 07:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Blowing snow |
-8.8 ° C (16.1°F) |
-4.3 ° C (24.3°F) |
-6.5 ° C (20.2°F) |
% 78 | 87% | 1 | Sunrise:07:41 AM Sunset: 04:45 PM |
Moonrise:04:58 PM Moonset: 08:15 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Blowing snow |
-10.5 ° C (13°F) |
-1.4 ° C (29.5°F) |
-4.7 ° C (23.5°F) |
% 79 | 61% | 1 | Sunrise:07:41 AM Sunset: 04:46 PM |
Moonrise:06:18 PM Moonset: 08:58 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Light snow |
-16.6 ° C (2.2°F) |
-9.5 ° C (15°F) |
-13.4 ° C (7.8°F) |
% 89 | 72% | 1 | Sunrise:07:40 AM Sunset: 04:47 PM |
Moonrise:07:38 PM Moonset: 09:32 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Light freezing rain |
-15 ° C (5°F) |
-3 ° C (26.6°F) |
-7.4 ° C (18.6°F) |
% 88 | 66% | 1 | Sunrise:07:40 AM Sunset: 04:48 PM |
Moonrise:08:52 PM Moonset: 09:58 AM Moon Phase ( Waning Gibbous ) |
|
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