Greencastle Weather Forecast 15 Days, Weather in Greencastle Today
Current weather conditions and 15 day weather forecast for Greencastle, Northern Ireland, UK 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 Greencastle
| 21 March 2026 Saturday 9.4 ° C / 49°F  Sunny |
Feels Like : 8.1 ° C / 46.5°F Humidity : % 73 Pressure : 1016 mb Wind Speed : 9.4 kmph / 5.8 miles from SSW  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 8 |
15 day weather forecast for Greencastle, Northern Ireland, UK
Weather Forecast for next 15 Days for Greencastle including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is your temperature trend for the next 15 Days. 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 21 March 2026 Saturday | Sunny |
4.6 ° C | 10.7 ° C | 7.5 ° C | % 77 | 0% | 0.5 | Sunrise:06:28 AM Sunset: 06:43 PM |
Moonrise:06:48 AM Moonset: 10:50 PM Moon Phase ( Waxing Crescent ) |
|
| 22 March 2026 Sunday |  Patchy rain nearby |
3 ° C | 6.8 ° C | 5.5 ° C | % 85 | 86% | 0.3 | Sunrise:06:25 AM Sunset: 06:45 PM |
Moonrise:07:03 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday |  Overcast |
1.7 ° C | 6.9 ° C | 4.8 ° C | % 78 | 0% | 0.4 | Sunrise:06:22 AM Sunset: 06:47 PM |
Moonrise:07:24 AM Moonset: 12:27 AM Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday |  Moderate rain |
-0.9 ° C | 7.7 ° C | 4.4 ° C | % 84 | 86% | 0.4 | Sunrise:06:20 AM Sunset: 06:49 PM |
Moonrise:07:59 AM Moonset: 02:00 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Patchy rain nearby |
-0.8 ° C | 3.6 ° C | 1.7 ° C | % 83 | 72% | 0.6 | Sunrise:06:17 AM Sunset: 06:51 PM |
Moonrise:08:54 AM Moonset: 03:16 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday | Patchy rain nearby |
1 ° C | 4.8 ° C | 2.8 ° C | % 87 | 89% | 1 | Sunrise:06:15 AM Sunset: 06:53 PM |
Moonrise:10:11 AM Moonset: 04:08 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Partly Cloudy |
2.9 ° C | 6.5 ° C | 4.8 ° C | % 75 | 0% | 2 | Sunrise:06:12 AM Sunset: 06:55 PM |
Moonrise:11:41 AM Moonset: 04:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Patchy rain nearby |
1.1 ° C | 6.4 ° C | 3.8 ° C | % 78 | 87% | 1 | Sunrise:06:10 AM Sunset: 06:57 PM |
Moonrise:01:12 PM Moonset: 05:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday | Patchy rain nearby |
2.5 ° C | 6.8 ° C | 4.2 ° C | % 85 | 88% | 1 | Sunrise:06:07 AM Sunset: 06:59 PM |
Moonrise:02:41 PM Moonset: 05:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Patchy rain nearby |
1.8 ° C | 6.1 ° C | 4.5 ° C | % 81 | 84% | 1 | Sunrise:07:05 AM Sunset: 08:01 PM |
Moonrise:05:06 PM Moonset: 06:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
1.5 ° C | 5.7 ° C | 3.2 ° C | % 83 | 89% | 1 | Sunrise:07:03 AM Sunset: 08:03 PM |
Moonrise:06:28 PM Moonset: 06:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
1.8 ° C | 5.8 ° C | 3.6 ° C | % 74 | 77% | 1 | Sunrise:07:00 AM Sunset: 08:05 PM |
Moonrise:07:48 PM Moonset: 06:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
2.6 ° C | 4.1 ° C | 3.7 ° C | % 91 | 84% | 1 | Sunrise:06:57 AM Sunset: 08:06 PM |
Moonrise:09:07 PM Moonset: 06:44 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
-1.5 ° C | 6.1 ° C | 3.5 ° C | % 88 | 74% | 1 | Sunrise:06:55 AM Sunset: 08:08 PM |
Moonrise:10:27 PM Moonset: 06:52 AM Moon Phase ( Waning Gibbous ) |
|
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