30-Day Weather Forecast

Belfast Monthly Weather Forecast

United Kingdom Belfast, United Kingdom

Aug 1 – Sep 4, 2026 as of 06:18

Belfast 30 Days Forecast Calendar

27 Jul Mon

No data

28 Jul Tue

No data

29 Jul Wed

No data

30 Jul Thu

No data

31 Jul Fri

No data

1 Aug Today
+17°C+63°F
+8°C+46°F

Overcast

2 Aug Tomorrow
+18°C+65°F
+9°C+48°F

Overcast

3 Aug Mon
+17°C+62°F
+12°C+53°F

Overcast

4 Aug Tue
+16°C+61°F
+14°C+57°F

Rainy

5 Aug Wed
+18°C+64°F
+13°C+56°F

Overcast

6 Aug Thu
+19°C+66°F
+10°C+51°F

Overcast

7 Aug Fri
+20°C+67°F
+9°C+48°F

Overcast

8 Aug Sat
+22°C+71°F
+14°C+57°F

Partly Cloudy

9 Aug Sun
+20°C+68°F
+12°C+53°F

Overcast

10 Aug Mon
+16°C+61°F
+11°C+52°F

Rainy

11 Aug Tue
+21°C+70°F
+14°C+58°F

Rainy

12 Aug Wed
+17°C+62°F
+12°C+54°F

Rainy

13 Aug Thu
+18°C+64°F
+9°C+48°F

Mainly Clear

14 Aug Fri
+17°C+63°F
+12°C+54°F

Overcast

15 Aug Sat
+18°C+65°F
+13°C+55°F

Partly Cloudy

16 Aug Sun
+17°C+62°F
+9°C+48°F

Rainy

17 Aug Mon
+19°C+66°F
+10°C+50°F

Rainy

18 Aug Tue
+19°C+65°F
+9°C+47°F

Partly Cloudy

19 Aug Wed
+17°C+62°F
+9°C+48°F

Overcast

20 Aug Thu
+17°C+62°F
+12°C+54°F

Rainy

21 Aug Fri
+19°C+66°F
+11°C+53°F

Partly Cloudy

22 Aug Sat
+21°C+69°F
+9°C+48°F

Rainy

23 Aug Sun
+20°C+68°F
+14°C+56°F

Overcast

24 Aug Mon
+21°C+69°F
+16°C+60°F

Overcast

25 Aug Tue
+21°C+70°F
+13°C+56°F

Partly Cloudy

26 Aug Wed
+18°C+65°F
+14°C+57°F

Rainy

27 Aug Thu
+20°C+68°F
+11°C+52°F

Mainly Clear

28 Aug Fri
+18°C+64°F
+10°C+50°F

Partly Cloudy

29 Aug Sat
+18°C+65°F
+8°C+47°F

Mainly Clear

30 Aug Sun
+19°C+65°F
+10°C+50°F

Mainly Clear

31 Aug Mon
+18°C+64°F
+10°C+51°F

Clear

1 Sep Tue
+19°C+66°F
+10°C+50°F

Clear

2 Sep Wed
+22°C+71°F
+9°C+47°F

Clear

3 Sep Thu
+21°C+71°F
+10°C+50°F

Clear

4 Sep Fri
+11°C+53°F
+11°C+51°F

Clear

5 Sep Sat

No data

6 Sep Sun

No data

Belfast Weather Overview

Sunny
26
Rainy
9

In this forecast period, Belfast has 26 sunny days, 0 cloudy days, 9 rainy days, and 0 snowy days.

Weather forecast day by day for 2 weeks in Belfast

Saturday, 1 August

Belfast is expected to see Overcast with temperatures around 17°C, feeling like 15°C due to strong winds. Rain is expected today, with 0.3 mm of precipitation forecasted. Heavy cloud cover at 86% is blocking most sunlight today. Humidity is at 70% and atmospheric pressure stands at 1019 hPa.

Sunday, 2 August

Belfast is expected to see Overcast with temperatures around 18°C, feeling like 17°C due to expected conditions. Rain is expected today, with 0.9 mm of precipitation forecasted. Heavy cloud cover at 99% is blocking most sunlight today. Humidity is at 69% and atmospheric pressure stands at 1019 hPa.

Monday, 3 August

Belfast is expected to see Overcast with temperatures around 17°C, feeling like 16°C due to high humidity. Rain is expected today, with 1.8 mm of precipitation forecasted. Heavy cloud cover at 100% is blocking most sunlight today. Humidity is at 86% and atmospheric pressure stands at 1014 hPa.

Tuesday, 4 August

Belfast is expected to see Rainy with temperatures around 16°C, feeling like 16°C due to high humidity. Rain is expected today, with 13.1 mm of precipitation forecasted. Heavy cloud cover at 100% is blocking most sunlight today. Humidity is at 97% and atmospheric pressure stands at 1011 hPa.

Wednesday, 5 August

Belfast is expected to see Overcast with temperatures around 18°C, feeling like 18°C due to high humidity. Rain is expected today, with 2.5 mm of precipitation forecasted. Heavy cloud cover at 98% is blocking most sunlight today. Humidity is at 91% and atmospheric pressure stands at 1012 hPa.

Thursday, 6 August

Belfast is expected to see Overcast with temperatures around 19°C, feeling like 19°C due to expected conditions. Rain is expected today, with 1.5 mm of precipitation forecasted. Humidity is at 76% and atmospheric pressure stands at 1019 hPa.

Friday, 7 August

Belfast is expected to see Overcast with temperatures around 20°C, feeling like 20°C due to expected conditions. Rain is expected today, with 0.9 mm of precipitation forecasted. Heavy cloud cover at 88% is blocking most sunlight today. Humidity is at 71% and atmospheric pressure stands at 1019 hPa.

Saturday, 8 August

Belfast is expected to see Partly Cloudy with temperatures around 22°C, feeling like 23°C due to expected conditions. Rain is expected today, with 0.6 mm of precipitation forecasted. Humidity is at 78% and atmospheric pressure stands at 1011 hPa.

Sunday, 9 August

Belfast is expected to see Overcast with temperatures around 20°C, feeling like 18°C due to strong winds. Rain is expected today, with 0.9 mm of precipitation forecasted. Humidity is at 70% and atmospheric pressure stands at 1017 hPa.

Monday, 10 August

Belfast is expected to see Rainy with temperatures around 16°C, feeling like 15°C due to high humidity. Rain is expected today, with 3.1 mm of precipitation forecasted. Heavy cloud cover at 99% is blocking most sunlight today. Humidity is at 87% and atmospheric pressure stands at 1017 hPa.

Tuesday, 11 August

Belfast is expected to see Rainy with temperatures around 21°C, feeling like 23°C due to strong winds. Rain is expected today, with 12.4 mm of precipitation forecasted. Humidity is at 87% and atmospheric pressure stands at 1008 hPa.

Wednesday, 12 August

Belfast is expected to see Rainy with temperatures around 17°C, feeling like 16°C due to strong winds. Rain is expected today, with 1.6 mm of precipitation forecasted. Heavy cloud cover at 93% is blocking most sunlight today. Humidity is at 77% and atmospheric pressure stands at 1013 hPa.

Thursday, 13 August

Belfast is expected to see Mainly Clear with temperatures around 18°C, feeling like 17°C due to expected conditions. Rain is expected today, with 0.6 mm of precipitation forecasted. Humidity is at 70% and atmospheric pressure stands at 1023 hPa.

Friday, 14 August

Belfast is expected to see Overcast with temperatures around 17°C, feeling like 17°C due to high humidity. Rain is expected today, with 3.6 mm of precipitation forecasted. Heavy cloud cover at 97% is blocking most sunlight today. Humidity is at 93% and atmospheric pressure stands at 1018 hPa.