Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 52°F. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Monday
15th Dec
52

48

2

0
Tuesday
16th Dec
48

36

0

0
Wednesday
17th Dec
46

36

0

0
Thursday
18th Dec
50

48

0

0
Friday
19th Dec
48

39

4

0

5-day weather forecast updated at 04:04 on Monday 15th December 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 Monday 15th December 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 52°F and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 20 mph from the south.

52
°F maximum temperature
48
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
44
% chance of some rain
<2
mm of rainfall expected
52
°F wind chill
20
mph wind from S

Grantham weather for Tuesday 16th December 2025

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 48°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 11 mph from the north-west.

48
°F maximum temperature
36
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
43
% chance of some rain
<10
mm of rainfall expected
43
°F wind chill
11
mph wind from NW

Grantham weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 46°F and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a fresh breeze of 20 mph from the south.

46
°F maximum temperature
36
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
37
% chance of some rain
<2
mm of rainfall expected
39
°F wind chill
20
mph wind from S

Grantham weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 50°F and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 21 mph from the south.

50
°F maximum temperature
48
°F minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
75
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
21
mph wind from S

Grantham weather for Friday 19th December 2025

Expect sunshine and showers in Grantham, England with a maximum temperature of 48°F and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 16 mph from the south-west.