Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 14°C. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Sunday
10th May
14

4

8

3
Monday
11th May
11

3

5

3
Tuesday
12th May
15

2

7

3
Wednesday
13th May
14

5

4

3
Thursday
14th May
12

6

4

4

5-day weather forecast updated at 04:03 on Sunday 10th May 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 Sunday 10th May 2026

Expect broken clouds in Grantham, England with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north-east.

14
°C maximum temperature
4
°C minimum temperature
broken clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
25
kph wind from NE

Grantham weather for Monday 11th May 2026

Expect broken clouds in Grantham, England with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

11
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from N

Grantham weather for Tuesday 12th May 2026

Expect broken clouds in Grantham, England with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

15
°C maximum temperature
2
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
29
kph wind from W

Grantham weather for Wednesday 13th May 2026

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 28 kph from the west.

14
°C maximum temperature
5
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
88
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
28
kph wind from W

Grantham weather for Thursday 14th May 2026

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 12°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 86% chance of some rain and a moderate breeze of 25 kph from the north-west.