Current weather conditions and 15 day weather forecast for Holywood, 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.
| 18 September 2026 Friday 15.1 ° C / 59.1°F ![]() Light drizzle |
Feels Like : 11.3 ° C / 52.3°F Humidity : % 97 Pressure : 1003 mb Wind Speed : 27 kmph / 16.8 miles from SW ![]() Visibility : 2 km Precipitation (rainfall) : 0.29 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 September 2026 Friday | Light drizzle |
9.5 ° C | 15.1 ° C | 12.3 ° C | % 90 | 86% | 0.5 | Sunrise:07:01 AM Sunset: 07:33 PM |
Moonrise:04:40 PM Moonset: 10:21 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday | Patchy rain nearby |
8.9 ° C | 15 ° C | 12.7 ° C | % 81 | 52% | 2.8 | Sunrise:07:03 AM Sunset: 07:30 PM |
Moonrise:05:20 PM Moonset: 11:27 PM Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Overcast |
7 ° C | 14.6 ° C | 10.8 ° C | % 78 | 50% | 3 | Sunrise:07:05 AM Sunset: 07:28 PM |
Moonrise:05:47 PM Moonset: Does not set today Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Sunny |
10.6 ° C | 21.6 ° C | 16.2 ° C | % 87 | 60% | 2.5 | Sunrise:07:07 AM Sunset: 07:25 PM |
Moonrise:06:05 PM Moonset: 12:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday | Overcast |
12.9 ° C | 19.3 ° C | 15.8 ° C | % 87 | 38% | 4 | Sunrise:07:09 AM Sunset: 07:22 PM |
Moonrise:06:17 PM Moonset: 02:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Overcast |
11 ° C | 18.9 ° C | 15.3 ° C | % 86 | 72% | 5 | Sunrise:07:11 AM Sunset: 07:20 PM |
Moonrise:06:26 PM Moonset: 03:17 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Overcast |
9.9 ° C | 17.3 ° C | 12.7 ° C | % 87 | 24% | 5 | Sunrise:07:12 AM Sunset: 07:17 PM |
Moonrise:06:34 PM Moonset: 04:33 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
8.8 ° C | 18.8 ° C | 12.8 ° C | % 85 | 14% | 5 | Sunrise:07:14 AM Sunset: 07:15 PM |
Moonrise:06:41 PM Moonset: 05:49 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Sunny |
8.9 ° C | 19.7 ° C | 13.4 ° C | % 80 | 10% | 5 | Sunrise:07:16 AM Sunset: 07:12 PM |
Moonrise:06:48 PM Moonset: 07:04 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
9.8 ° C | 16.7 ° C | 12.8 ° C | % 84 | 24% | 4 | Sunrise:07:18 AM Sunset: 07:10 PM |
Moonrise:06:56 PM Moonset: 08:22 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Overcast |
9 ° C | 14.3 ° C | 11.3 ° C | % 88 | 29% | 3 | Sunrise:07:20 AM Sunset: 07:07 PM |
Moonrise:07:06 PM Moonset: 09:42 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
8.7 ° C | 13.3 ° C | 10.8 ° C | % 79 | 44% | 3 | Sunrise:07:22 AM Sunset: 07:05 PM |
Moonrise:07:19 PM Moonset: 11:06 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
4.2 ° C | 10.8 ° C | 7.3 ° C | % 67 | 5% | 4 | Sunrise:07:23 AM Sunset: 07:02 PM |
Moonrise:07:39 PM Moonset: 12:33 PM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
4.4 ° C | 12.6 ° C | 7.7 ° C | % 70 | 10% | 4 | Sunrise:07:25 AM Sunset: 07:00 PM |
Moonrise:08:11 PM Moonset: 01:57 PM Moon Phase ( Last Quarter ) |
|