Newcastle weather live forecast

Today's maximum temperature in Newcastle is expected to be 66°F. Select a day from the live weather forecast for Newcastle, Northern Ireland, UK for more weather parameters.

Thursday
21st Aug
66

48

5

2
Friday
22nd Aug
66

57

2

2
Saturday
23rd Aug
64

55

1

3
Sunday
24th Aug
66

55

6

5
Monday
25th Aug
68

57

11

4

5-day weather forecast updated at 04:04 on Thursday 21st August 2025 GMT

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The 5-day weather forecast for Northern Ireland (Newcastle) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Newcastle weather forecast by day

Below are the detailed weather forecasts for Newcastle for the next 5 days.

Newcastle weather for Thursday 21st August 2025

Expect broken clouds in Newcastle, Northern Ireland with a maximum temperature of 66°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south.

66
°F maximum temperature
48
°F minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
66
°F wind chill
7
mph wind from S

Newcastle weather for Friday 22nd August 2025

Expect broken clouds in Newcastle, Northern Ireland with a maximum temperature of 66°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the north-west.

66
°F maximum temperature
57
°F minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
5
mph wind from NW

Newcastle weather for Saturday 23rd August 2025

Expect overcast skies in Newcastle, Northern Ireland with a maximum temperature of 64°F, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the south-east.

64
°F maximum temperature
55
°F minimum temperature
overcast skies
1
hour of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
8
mph wind from SE

Newcastle weather for Sunday 24th August 2025

Expect broken clouds in Newcastle, Northern Ireland with a maximum temperature of 66°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the south-east.

66
°F maximum temperature
55
°F minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
66
°F wind chill
8
mph wind from SE

Newcastle weather for Monday 25th August 2025

Expect scattered clouds in Newcastle, Northern Ireland with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-east.