Current weather conditions and 15 day weather forecast for Greencastle, 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 16.1 ° C / 61°F ![]() Sunny |
Feels Like : 16.1 ° C / 61°F Humidity : % 52 Pressure : 1014 mb Wind Speed : 16.2 kmph / 10.1 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 May 2026 Wednesday | Patchy rain nearby |
9 ° C (48.1°F) |
24.3 ° C (75.7°F) |
16.5 ° C (61.8°F) |
% 61 | 91% | 4.1 | Sunrise:05:58 AM Sunset: 08:17 PM |
Moonrise:03:47 AM Moonset: 04:49 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
6.9 ° C (44.4°F) |
10.3 ° C (50.5°F) |
8.5 ° C (47.3°F) |
% 82 | 89% | 3.8 | Sunrise:05:57 AM Sunset: 08:18 PM |
Moonrise:04:12 AM Moonset: 06:04 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Partly Cloudy |
8.6 ° C (47.4°F) |
18.9 ° C (66°F) |
12.9 ° C (55.3°F) |
% 64 | 0% | 0.7 | Sunrise:05:56 AM Sunset: 08:19 PM |
Moonrise:04:41 AM Moonset: 07:23 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
11 ° C (51.9°F) |
20.5 ° C (69°F) |
15.8 ° C (60.4°F) |
% 76 | 88% | 4 | Sunrise:05:55 AM Sunset: 08:20 PM |
Moonrise:05:18 AM Moonset: 08:44 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
13 ° C (55.3°F) |
26.1 ° C (78.9°F) |
18.6 ° C (65.5°F) |
% 82 | 0% | 5 | Sunrise:05:55 AM Sunset: 08:21 PM |
Moonrise:06:03 AM Moonset: 10:02 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
14.6 ° C (58.3°F) |
27.5 ° C (81.5°F) |
21.2 ° C (70.2°F) |
% 80 | 85% | 5 | Sunrise:05:54 AM Sunset: 08:22 PM |
Moonrise:07:00 AM Moonset: 11:12 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
17 ° C (62.6°F) |
30 ° C (86.1°F) |
22.3 ° C (72.1°F) |
% 82 | 77% | 5 | Sunrise:05:53 AM Sunset: 08:22 PM |
Moonrise:08:09 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
16 ° C (60.8°F) |
24.1 ° C (75.4°F) |
19.6 ° C (67.2°F) |
% 90 | 85% | 4 | Sunrise:05:52 AM Sunset: 08:23 PM |
Moonrise:09:25 AM Moonset: 12:08 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Sunny |
9.7 ° C (49.4°F) |
23.1 ° C (73.6°F) |
16 ° C (60.8°F) |
% 71 | 0% | 5 | Sunrise:05:51 AM Sunset: 08:24 PM |
Moonrise:10:41 AM Moonset: 12:52 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
10 ° C (49.9°F) |
21.7 ° C (71.1°F) |
16.1 ° C (61°F) |
% 73 | 0% | 5 | Sunrise:05:51 AM Sunset: 08:25 PM |
Moonrise:11:55 AM Moonset: 01:27 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Moderate rain |
11.1 ° C (52°F) |
17.3 ° C (63.1°F) |
13.7 ° C (56.6°F) |
% 95 | 87% | 3 | Sunrise:05:50 AM Sunset: 08:26 PM |
Moonrise:01:04 PM Moonset: 01:55 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Patchy rain nearby |
6.8 ° C (44.2°F) |
10.9 ° C (51.7°F) |
8.9 ° C (48°F) |
% 75 | 0% | 2 | Sunrise:05:49 AM Sunset: 08:27 PM |
Moonrise:02:10 PM Moonset: 02:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Partly Cloudy |
5.8 ° C (42.5°F) |
18.8 ° C (65.8°F) |
11.2 ° C (52.1°F) |
% 61 | 0% | 4 | Sunrise:05:49 AM Sunset: 08:28 PM |
Moonrise:03:14 PM Moonset: 02:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Partly Cloudy |
4 ° C (39.2°F) |
18.2 ° C (64.8°F) |
11.2 ° C (52.2°F) |
% 58 | 0% | 4 | Sunrise:05:48 AM Sunset: 08:28 PM |
Moonrise:04:16 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|