Belfast City Weather Forecast 15 Days, Weather in Belfast Today
Current weather conditions and 15 day weather forecast for Belfast, 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 Belfast
| 07 August 2026 Friday 9.3 ° C / 48.7°F  Mist |
Feels Like : 7.3 ° C / 45.1°F Humidity : % 95 Pressure : 1022 mb Wind Speed : 12.2 kmph / 7.6 miles from WSW  Visibility : 2 km Precipitation (rainfall) : 0 mm Cloud (%) : 28 |
15 day weather forecast for Belfast, Northern Ireland, UK
Weather Forecast for next 15 Days for Belfast 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 07 August 2026 Friday |  Sunny |
8.3 ° C | 18.3 ° C | 13.7 ° C | % 79 | 17% | 5.1 | Sunrise:05:45 AM Sunset: 09:13 PM |
Moonrise:11:33 PM Moonset: 05:05 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday |  Patchy rain nearby |
8.5 ° C | 19.6 ° C | 13.9 ° C | % 82 | 62% | 3.3 | Sunrise:05:47 AM Sunset: 09:11 PM |
Moonrise:Does not rise today Moonset: 06:27 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Patchy rain nearby |
14.6 ° C | 19.1 ° C | 16.4 ° C | % 86 | 76% | 3.5 | Sunrise:05:49 AM Sunset: 09:09 PM |
Moonrise:12:18 AM Moonset: 07:31 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Mist |
10.9 ° C | 17.6 ° C | 14.5 ° C | % 89 | 69% | 2 | Sunrise:05:50 AM Sunset: 09:07 PM |
Moonrise:01:27 AM Moonset: 08:14 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
10.6 ° C | 21.1 ° C | 15.8 ° C | % 81 | 12% | 6 | Sunrise:05:52 AM Sunset: 09:05 PM |
Moonrise:02:59 AM Moonset: 08:41 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday |  Partly Cloudy |
14.1 ° C | 23.3 ° C | 18.2 ° C | % 79 | 60% | 6 | Sunrise:05:54 AM Sunset: 09:03 PM |
Moonrise:04:40 AM Moonset: 08:59 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
14.7 ° C | 22.4 ° C | 18.2 ° C | % 80 | 16% | 6 | Sunrise:05:56 AM Sunset: 09:00 PM |
Moonrise:06:22 AM Moonset: 09:11 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday |  Light rain shower |
16.7 ° C | 20.6 ° C | 18.4 ° C | % 92 | 92% | 5 | Sunrise:05:58 AM Sunset: 08:58 PM |
Moonrise:07:59 AM Moonset: 09:21 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday |  Fog |
15.4 ° C | 16.8 ° C | 16.3 ° C | % 98 | 93% | 4 | Sunrise:05:59 AM Sunset: 08:56 PM |
Moonrise:09:33 AM Moonset: 09:30 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Fog |
13.4 ° C | 15.9 ° C | 14.8 ° C | % 96 | 81% | 4 | Sunrise:06:01 AM Sunset: 08:54 PM |
Moonrise:11:04 AM Moonset: 09:39 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
12 ° C | 14.8 ° C | 13.2 ° C | % 85 | 61% | 4 | Sunrise:06:03 AM Sunset: 08:51 PM |
Moonrise:12:33 PM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday |  Cloudy |
12.3 ° C | 14 ° C | 13.2 ° C | % 88 | 89% | 3 | Sunrise:06:05 AM Sunset: 08:49 PM |
Moonrise:02:01 PM Moonset: 10:04 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Patchy rain nearby |
9.7 ° C | 17 ° C | 13.8 ° C | % 82 | 60% | 4 | Sunrise:06:07 AM Sunset: 08:47 PM |
Moonrise:03:27 PM Moonset: 10:23 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Partly Cloudy |
8.3 ° C | 15.8 ° C | 11.9 ° C | % 84 | 63% | 5 | Sunrise:06:09 AM Sunset: 08:45 PM |
Moonrise:04:46 PM Moonset: 10:51 PM Moon Phase ( First Quarter ) |
|
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