Grantham weather live forecast

Tomorrow's maximum temperature in Grantham is expected to be 21°C.

Tuesday
22nd Jul

21

14

4
Wednesday
23rd Jul

20

14

3
Thursday
24th Jul

19

16

2
Friday
25th Jul

24

15

6
Saturday
26th Jul

22

15

5

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 Tuesday 22nd July 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and little or no wind of 6 kph from the west.

21
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
37
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
6
kph wind from W

Grantham weather for Wednesday 23rd July 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 20°C, 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 4 kph from the north-west.

20
°C maximum temperature
14
°C 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
20
°C wind chill
4
kph wind from NW

Grantham weather for Thursday 24th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north.

19
°C maximum temperature
16
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
5
kph wind from N

Grantham weather for Friday 25th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 24°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

24
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
4
kph wind from W

Grantham weather for Saturday 26th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north-west.