Current weather conditions and 15 day weather forecast for Northumberland, 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.
| 13 May 2026 Wednesday 11.7 ° C / 53.1°F ![]() Partly cloudy |
Feels Like : 11.3 ° C / 52.4°F Humidity : % 63 Pressure : 1017 mb Wind Speed : 6.5 kmph / 4 miles from SSE ![]() 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 May 2026 Wednesday | Moderate rain |
8.8 ° C (47.9°F) |
21.9 ° C (71.4°F) |
13.1 ° C (55.6°F) |
% 77 | 92% | 4.6 | Sunrise:05:52 AM Sunset: 08:16 PM |
Moonrise:03:42 AM Moonset: 04:46 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
6.1 ° C (42.9°F) |
12.1 ° C (53.7°F) |
8.8 ° C (47.9°F) |
% 81 | 89% | 4.7 | Sunrise:05:51 AM Sunset: 08:17 PM |
Moonrise:04:07 AM Moonset: 06:02 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Cloudy |
5 ° C (41°F) |
17 ° C (62.7°F) |
11.4 ° C (52.5°F) |
% 73 | 0% | 0.2 | Sunrise:05:50 AM Sunset: 08:18 PM |
Moonrise:04:35 AM Moonset: 07:22 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
6.7 ° C (44°F) |
21 ° C (69.7°F) |
13.6 ° C (56.5°F) |
% 83 | 76% | 3 | Sunrise:05:49 AM Sunset: 08:19 PM |
Moonrise:05:10 AM Moonset: 08:43 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Cloudy |
12.2 ° C (54°F) |
27.5 ° C (81.4°F) |
17.8 ° C (64.1°F) |
% 84 | 0% | 4 | Sunrise:05:48 AM Sunset: 08:20 PM |
Moonrise:05:55 AM Moonset: 10:03 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
14 ° C (57.3°F) |
30.5 ° C (86.9°F) |
21.8 ° C (71.3°F) |
% 74 | 72% | 5 | Sunrise:05:47 AM Sunset: 08:21 PM |
Moonrise:06:52 AM Moonset: 11:12 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
16.1 ° C (60.9°F) |
30.3 ° C (86.6°F) |
22.4 ° C (72.4°F) |
% 78 | 84% | 5 | Sunrise:05:46 AM Sunset: 08:22 PM |
Moonrise:08:00 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
11.7 ° C (53°F) |
25.2 ° C (77.4°F) |
19.3 ° C (66.7°F) |
% 81 | 81% | 4 | Sunrise:05:46 AM Sunset: 08:23 PM |
Moonrise:09:17 AM Moonset: 12:08 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
7.1 ° C (44.9°F) |
21.8 ° C (71.2°F) |
14.1 ° C (57.4°F) |
% 61 | 0% | 4 | Sunrise:05:45 AM Sunset: 08:23 PM |
Moonrise:10:34 AM Moonset: 12:52 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
9.4 ° C (48.9°F) |
20.2 ° C (68.4°F) |
15.3 ° C (59.6°F) |
% 90 | 85% | 4 | Sunrise:05:44 AM Sunset: 08:24 PM |
Moonrise:11:49 AM Moonset: 01:26 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
8.3 ° C (47°F) |
20.6 ° C (69.1°F) |
13.8 ° C (56.8°F) |
% 66 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:25 PM |
Moonrise:12:59 PM Moonset: 01:53 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
6.3 ° C (43.3°F) |
22.6 ° C (72.7°F) |
14.6 ° C (58.3°F) |
% 67 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:26 PM |
Moonrise:02:06 PM Moonset: 02:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Partly Cloudy |
9.4 ° C (48.9°F) |
19.7 ° C (67.4°F) |
14.9 ° C (58.7°F) |
% 67 | 0% | 4 | Sunrise:05:42 AM Sunset: 08:27 PM |
Moonrise:03:10 PM Moonset: 02:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Moderate rain |
12.8 ° C (55°F) |
24.6 ° C (76.3°F) |
18.3 ° C (65°F) |
% 88 | 76% | 4 | Sunrise:05:41 AM Sunset: 08:28 PM |
Moonrise:04:13 PM Moonset: 02:57 AM Moon Phase ( Waxing Gibbous ) |
|