Current weather conditions and 15 day weather forecast for Northumberland, 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.
| 12 May 2026 Tuesday 12.8 ° C / 55°F ![]() Partly cloudy |
Feels Like : 12.7 ° C / 54.8°F Humidity : % 32 Pressure : 1021 mb Wind Speed : 6.1 kmph / 3.8 miles from NNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 50 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Sunny |
3 ° C (37.4°F) |
19.4 ° C (66.9°F) |
10.8 ° C (51.4°F) |
% 47 | 0% | 6.7 | Sunrise:05:35 AM Sunset: 08:08 PM |
Moonrise:03:08 AM Moonset: 03:21 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Moderate rain |
3.8 ° C (38.9°F) |
12.3 ° C (54.1°F) |
9.2 ° C (48.6°F) |
% 87 | 90% | 2.7 | Sunrise:05:33 AM Sunset: 08:09 PM |
Moonrise:03:28 AM Moonset: 04:35 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Moderate rain |
8.9 ° C (48°F) |
12.3 ° C (54.1°F) |
10.4 ° C (50.7°F) |
% 94 | 89% | 1.3 | Sunrise:05:32 AM Sunset: 08:10 PM |
Moonrise:03:51 AM Moonset: 05:53 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
8.6 ° C (47.4°F) |
13.1 ° C (55.7°F) |
10.8 ° C (51.4°F) |
% 87 | 85% | 0.8 | Sunrise:05:31 AM Sunset: 08:11 PM |
Moonrise:04:17 AM Moonset: 07:15 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
6 ° C (42.8°F) |
21.7 ° C (71.1°F) |
13.8 ° C (56.8°F) |
% 78 | 85% | 3 | Sunrise:05:30 AM Sunset: 08:12 PM |
Moonrise:04:50 AM Moonset: 08:39 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
8.6 ° C (47.4°F) |
21.4 ° C (70.6°F) |
14.1 ° C (57.3°F) |
% 77 | 0% | 4 | Sunrise:05:29 AM Sunset: 08:13 PM |
Moonrise:05:33 AM Moonset: 09:59 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Partly Cloudy |
6.7 ° C (44.1°F) |
26.2 ° C (79.1°F) |
17.2 ° C (62.9°F) |
% 71 | 0% | 5 | Sunrise:05:28 AM Sunset: 08:14 PM |
Moonrise:06:28 AM Moonset: 11:09 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
14.5 ° C (58.1°F) |
32.5 ° C (90.5°F) |
22.5 ° C (72.5°F) |
% 75 | 83% | 5 | Sunrise:05:27 AM Sunset: 08:15 PM |
Moonrise:07:37 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
16.5 ° C (61.6°F) |
27 ° C (80.5°F) |
20.7 ° C (69.2°F) |
% 84 | 83% | 5 | Sunrise:05:26 AM Sunset: 08:16 PM |
Moonrise:08:54 AM Moonset: 12:04 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
14.8 ° C (58.6°F) |
25.1 ° C (77.2°F) |
19.7 ° C (67.5°F) |
% 89 | 73% | 4 | Sunrise:05:26 AM Sunset: 08:17 PM |
Moonrise:10:14 AM Moonset: 12:46 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
13.1 ° C (55.6°F) |
26.8 ° C (80.2°F) |
20.1 ° C (68.2°F) |
% 74 | 65% | 5 | Sunrise:05:25 AM Sunset: 08:18 PM |
Moonrise:11:31 AM Moonset: 01:18 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
9.6 ° C (49.2°F) |
26 ° C (78.8°F) |
18.6 ° C (65.5°F) |
% 69 | 0% | 5 | Sunrise:05:24 AM Sunset: 08:19 PM |
Moonrise:12:43 PM Moonset: 01:43 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Moderate rain |
14.8 ° C (58.6°F) |
19.4 ° C (67°F) |
16.8 ° C (62.3°F) |
% 86 | 80% | 4 | Sunrise:05:23 AM Sunset: 08:20 PM |
Moonrise:01:52 PM Moonset: 02:04 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
10.3 ° C (50.5°F) |
22 ° C (71.5°F) |
14.4 ° C (57.8°F) |
% 76 | 0% | 3 | Sunrise:05:22 AM Sunset: 08:21 PM |
Moonrise:02:58 PM Moonset: 02:24 AM Moon Phase ( Waxing Gibbous ) |
|