Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 13°C. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Monday
20th Apr
13

2

5

3
Tuesday
21st Apr
13

5

12

3
Wednesday
22nd Apr
15

4

11

4
Thursday
23rd Apr
16

4

5

5
Friday
24th Apr
14

3

2

4

5-day weather forecast updated at 04:03 on Monday 20th April 2026 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 20th April 2026

Expect broken clouds in Grantham, England with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.

13
°C maximum temperature
2
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
19
kph wind from NE

Grantham weather for Tuesday 21st April 2026

Expect scattered clouds in Grantham, England with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the east.

13
°C maximum temperature
5
°C minimum temperature
scattered clouds
12
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
31
kph wind from E

Grantham weather for Wednesday 22nd April 2026

Expect scattered clouds in Grantham, England with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the east.

15
°C maximum temperature
4
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
27
kph wind from E

Grantham weather for Thursday 23rd April 2026

Expect broken clouds in Grantham, England with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-east.

16
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
21
kph wind from NE

Grantham weather for Friday 24th April 2026

Expect broken clouds in Grantham, England with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north.