Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 22°C. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Wednesday
23rd Jul
22

15

3

3
Thursday
24th Jul
20

16

4

4
Friday
25th Jul
24

15

8

4
Saturday
26th Jul
22

15

8

3
Sunday
27th Jul
20

15

2

5

5-day weather forecast updated at 04:04 on Wednesday 23rd 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 22°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 42% chance of some rain and little or no wind of 5 kph from the north-west.

22
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
3
UV index (Moderate)
42
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
5
kph wind from NW

Grantham weather for Thursday 24th July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the north.

20
°C maximum temperature
16
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
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 4 (Moderate) and 8 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
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
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 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the north-west.

22
°C maximum temperature
15
°C minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
4
kph wind from NW

Grantham weather for Sunday 27th July 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and little or no wind of 4 kph from the north-west.