Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 23°C. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Thursday
31st Jul
23

15

6

4
Friday
1st Aug
19

15

5

4
Saturday
2nd Aug
21

12

8

4
Sunday
3rd Aug
22

14

5

5
Monday
4th Aug
19

13

1

2

5-day weather forecast updated at 04:04 on Thursday 31st 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 Thursday 31st July 2025

Expect broken clouds in Grantham, England with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

23
°C maximum temperature
15
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from NW

Grantham weather for Friday 1st August 2025

Expect broken clouds in Grantham, England with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

19
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
20
kph wind from NW

Grantham weather for Saturday 2nd August 2025

Expect broken clouds in Grantham, England with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.

21
°C maximum temperature
12
°C minimum temperature
broken clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
19
kph wind from NW

Grantham weather for Sunday 3rd August 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 27 kph from the west.

22
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
67
% chance of some rain
<5
mm of rainfall expected
22
°C wind chill
27
kph wind from W

Grantham weather for Monday 4th August 2025

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 19°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a fresh breeze of 29 kph from the south-west.