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
| 27 July 2026 Monday 17.4 ° C / 63.3°F  Patchy rain nearby |
Feels Like : 9.5 ° C / 49.1°F Humidity : % 70 Pressure : 1015 mb Wind Speed : 19.8 kmph / 12.3 miles from W  Visibility : 10 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 54 |
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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 July 2026 Monday | Patchy rain nearby |
9.7 ° C | 17.4 ° C | 12.7 ° C | % 87 | 45% | 3 | Sunrise:05:30 AM Sunset: 09:39 PM |
Moonrise:09:20 PM Moonset: 02:45 AM Moon Phase ( Full Moon ) |
|
| 28 July 2026 Tuesday | Patchy rain nearby |
13.8 ° C | 15.8 ° C | 14.7 ° C | % 95 | 87% | 4.1 | Sunrise:05:32 AM Sunset: 09:37 PM |
Moonrise:09:40 PM Moonset: 03:58 AM Moon Phase ( Full Moon ) |
|
| 29 July 2026 Wednesday | Patchy rain nearby |
10.9 ° C | 15.8 ° C | 13.7 ° C | % 92 | 88% | 4.8 | Sunrise:05:33 AM Sunset: 09:35 PM |
Moonrise:09:54 PM Moonset: 05:15 AM Moon Phase ( Full Moon ) |
|
| 30 July 2026 Thursday | Patchy rain nearby |
9.1 ° C | 13.4 ° C | 10.6 ° C | % 85 | 66% | 3.9 | Sunrise:05:35 AM Sunset: 09:33 PM |
Moonrise:10:04 PM Moonset: 06:33 AM Moon Phase ( Waning Gibbous ) |
|
| 31 July 2026 Friday |  Mist |
7.9 ° C | 14.3 ° C | 11 ° C | % 79 | 57% | 4.7 | Sunrise:05:37 AM Sunset: 09:32 PM |
Moonrise:10:12 PM Moonset: 07:49 AM Moon Phase ( Waning Gibbous ) |
|
| 01 August 2026 Saturday | Mist |
8.9 ° C | 14.4 ° C | 11.4 ° C | % 80 | 21% | 4 | Sunrise:05:39 AM Sunset: 09:30 PM |
Moonrise:10:19 PM Moonset: 09:04 AM Moon Phase ( Waning Gibbous ) |
|
| 02 August 2026 Sunday |  Sunny |
9 ° C | 16.9 ° C | 12.1 ° C | % 80 | 36% | 5 | Sunrise:05:40 AM Sunset: 09:28 PM |
Moonrise:10:25 PM Moonset: 10:19 AM Moon Phase ( Waning Gibbous ) |
|
| 03 August 2026 Monday |  Partly Cloudy |
10.2 ° C | 14.4 ° C | 12.1 ° C | % 83 | 20% | 4 | Sunrise:05:42 AM Sunset: 09:26 PM |
Moonrise:10:33 PM Moonset: 11:34 AM Moon Phase ( Last Quarter ) |
|
| 04 August 2026 Tuesday | Patchy rain nearby |
11.8 ° C | 14.2 ° C | 13.1 ° C | % 83 | 52% | 4 | Sunrise:05:44 AM Sunset: 09:24 PM |
Moonrise:10:41 PM Moonset: 12:53 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday |  Overcast |
12.5 ° C | 17.1 ° C | 14.2 ° C | % 90 | 88% | 4 | Sunrise:05:46 AM Sunset: 09:22 PM |
Moonrise:10:53 PM Moonset: 02:15 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday |  Light rain shower |
11.5 ° C | 16.2 ° C | 14 ° C | % 95 | 91% | 4 | Sunrise:05:47 AM Sunset: 09:20 PM |
Moonrise:11:10 PM Moonset: 03:42 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Patchy rain nearby |
10.1 ° C | 15.4 ° C | 12.3 ° C | % 87 | 84% | 4 | Sunrise:05:49 AM Sunset: 09:18 PM |
Moonrise:11:37 PM Moonset: 05:10 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Mist |
9.7 ° C | 14.9 ° C | 12 ° C | % 87 | 57% | 4 | Sunrise:05:51 AM Sunset: 09:16 PM |
Moonrise:Does not rise today Moonset: 06:32 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Patchy rain nearby |
10.8 ° C | 14 ° C | 12.3 ° C | % 86 | 61% | 4 | Sunrise:05:53 AM Sunset: 09:14 PM |
Moonrise:12:22 AM Moonset: 07:37 PM Moon Phase ( Waning Crescent ) |
|
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