Grantham weather live forecast

Tomorrow's maximum temperature in Grantham is expected to be 68°F.

Wednesday
23rd Jul

68

57

3
Thursday
24th Jul

66

61

2
Friday
25th Jul

75

59

6
Saturday
26th Jul

72

59

5
Sunday
27th Jul

70

57

8

5-day weather forecast updated at 04:03 on Tuesday 22nd July 2025 GMT

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

Grantham weather forecast by day

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

Grantham weather for Wednesday 23rd July 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 68°F, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and little or no wind of 2 mph from the north-west.

68
°F maximum temperature
57
°F minimum temperature
mostly cloudy with light rain
3
hours of sunshine
5
UV index (Moderate)
46
% chance of some rain
<5
mm of rainfall expected
68
°F wind chill
2
mph wind from NW

Grantham weather for Thursday 24th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 66°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the north.

66
°F maximum temperature
61
°F minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
3
mph wind from N

Grantham weather for Friday 25th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 75°F, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the west.

75
°F maximum temperature
59
°F minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
75
°F wind chill
2
mph wind from W

Grantham weather for Saturday 26th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 72°F, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 mph from the north-west.

72
°F maximum temperature
59
°F minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
72
°F wind chill
4
mph wind from NW

Grantham weather for Sunday 27th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 70°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 mph from the north-west.