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.

Sunday
31st May
22

12

7

3
Monday
1st Jun
20

11

1

4
Tuesday
2nd Jun
19

12

5

3
Wednesday
3rd Jun
20

11

3

2
Thursday
4th Jun
19

12

4

4

5-day weather forecast updated at 04:03 on Sunday 31st 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 31st May 2026

Expect broken clouds in Grantham, England with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

22
°C maximum temperature
12
°C minimum temperature
broken clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
22
kph wind from W

Grantham weather for Monday 1st June 2026

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 76% chance of some rain and a moderate breeze of 21 kph from the south-west.

20
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
4
UV index (Moderate)
76
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Grantham weather for Tuesday 2nd June 2026

Expect isolated thunderstorms in Grantham, England with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 21 kph from the west.

19
°C maximum temperature
12
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
88
% chance of some rain
<10
mm of rainfall expected
19
°C wind chill
21
kph wind from W

Grantham weather for Wednesday 3rd June 2026

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 20°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a fresh breeze of 29 kph from the south-west.

20
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
71
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
29
kph wind from SW

Grantham weather for Thursday 4th June 2026

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 28 kph from the south-west.