Belfast, United Kingdom 14-Day Forecast
55°
Patchy rain nearby right now
Today: high 63°, low 46°
Updated just now
Belfast weather for the next 14 days
Friday, August 7
Mist High 65° Low 46°Precipitation
17%
· 0.0 in
Max wind
14 mph
Humidity
79%
UV index
5 - Moderate
Sunrise / sunset
05:45 AM / 09:13 PM
Saturday, August 8
Patchy rain nearby High 68° Low 47°Precipitation
62%
· 0.05 in
Max wind
13 mph
Humidity
82%
UV index
4 - Moderate
Sunrise / sunset
05:47 AM / 09:11 PM
Sunday, August 9
Patchy rain nearby High 67° Low 59°Precipitation
75%
· 0.08 in
Max wind
13 mph
Humidity
85%
UV index
4 - Moderate
Sunrise / sunset
05:49 AM / 09:09 PM
Monday, August 10
Mist High 64° Low 51°Precipitation
65%
· 0.03 in
Max wind
6 mph
Humidity
89%
UV index
2 - Low
Sunrise / sunset
05:50 AM / 09:07 PM
Tuesday, August 11
Partly Cloudy High 71° Low 50°Precipitation
11%
· 0.0 in
Max wind
12 mph
Humidity
81%
UV index
6 - High
Sunrise / sunset
05:52 AM / 09:05 PM
Wednesday, August 12
Partly Cloudy High 75° Low 57°Precipitation
62%
· 0.09 in
Max wind
5 mph
Humidity
78%
UV index
6 - High
Sunrise / sunset
05:54 AM / 09:03 PM
Thursday, August 13
Sunny High 73° Low 58°Precipitation
16%
· 0.0 in
Max wind
12 mph
Humidity
80%
UV index
6 - High
Sunrise / sunset
05:56 AM / 09:00 PM
Friday, August 14
Light rain shower High 69° Low 62°Precipitation
92%
· 0.43 in
Max wind
8 mph
Humidity
92%
UV index
5 - Moderate
Sunrise / sunset
05:58 AM / 08:58 PM
Saturday, August 15
Fog High 63° Low 60°Precipitation
92%
· 0.18 in
Max wind
4 mph
Humidity
98%
UV index
4 - Moderate
Sunrise / sunset
06:00 AM / 08:56 PM
Sunday, August 16
Fog High 61° Low 56°Precipitation
80%
· 0.05 in
Max wind
6 mph
Humidity
96%
UV index
4 - Moderate
Sunrise / sunset
06:01 AM / 08:54 PM
Monday, August 17
Mist High 59° Low 53°Precipitation
58%
· 0.02 in
Max wind
6 mph
Humidity
85%
UV index
3 - Moderate
Sunrise / sunset
06:03 AM / 08:51 PM
Tuesday, August 18
Cloudy High 57° Low 54°Precipitation
88%
· 0.3 in
Max wind
6 mph
Humidity
88%
UV index
3 - Moderate
Sunrise / sunset
06:05 AM / 08:49 PM
Wednesday, August 19
Patchy rain nearby High 63° Low 49°Precipitation
61%
· 0.04 in
Max wind
14 mph
Humidity
83%
UV index
4 - Moderate
Sunrise / sunset
06:07 AM / 08:47 PM
Belfast 14-day outlook: the story
The warmest day of Belfast's 14-day outlook is Wednesday, August 12 with a high near 75°F (24°C); the coolest night comes Thursday, August 6, dipping to 46°F (8°C). The trend points cooler: week two runs about 4°F below week one. Highs over the next two weeks average 68°F (20°C), about 4°F (2°C) above the typical August high of 64°F (18°C).
Precipitation is most likely on Thursday 6, Saturday 8, Sunday 9, Monday 10 and beyond; the wettest day looks like Friday, August 14 with about 0.43 in (10.8 mm) expected. For the weekend, expect Saturday 68°F (20°C) and patchy rain nearby / Sunday 67°F (19°C) and patchy rain nearby.
For typical conditions month by month, see the Belfast climate & average temperatures guide.
Belfast forecast questions
Will it rain in Belfast this week?
The forecast currently shows meaningful precipitation chances on 11 of the next 14 days, peaking around Friday, August 14.
What will be the warmest day in Belfast over the next 14 days?
Wednesday, August 12, with a forecast high near 75°F (24°C).
How accurate is a 14-day forecast for Belfast?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in Belfast by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 45° | 37° | 14 | 2.7 in | 3.8 h/day | 86% |
| February | 47° | 38° | 14 | 3.1 in | 5.4 h/day | 83% |
| March | 49° | 38° | 16 | 3.2 in | 6.8 h/day | 82% |
| April | 52° | 41° | 13 | 2.4 in | 9.0 h/day | 79% |
| May | 58° | 46° | 14 | 2.8 in | 10.5 h/day | 78% |
| June | 63° | 51° | 14 | 3.2 in | 10.9 h/day | 78% |
| July | 65° | 53° | 18 | 3.9 in | 9.8 h/day | 80% |
| August | 64° | 54° | 18 | 4.1 in | 9.3 h/day | 82% |
| September | 61° | 51° | 14 | 3.4 in | 7.7 h/day | 83% |
| October | 56° | 47° | 14 | 3.5 in | 5.7 h/day | 84% |
| November | 50° | 42° | 14 | 3.5 in | 4.1 h/day | 86% |
| December | 47° | 40° | 15 | 3.9 in | 2.9 h/day | 88% |
14-day forecasts nearby