Grantham weather live forecast

Tomorrow's maximum temperature in Grantham is expected to be 26°C.

Monday
16th Jun

26

14

12
Tuesday
17th Jun

25

14

8
Wednesday
18th Jun

24

13

11
Thursday
19th Jun

25

11

13
Friday
20th Jun

27

12

4

5-day weather forecast updated at 04:03 on Monday 16th June 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 Monday 16th June 2025

Expect scattered clouds in Grantham, England with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the west.

26
°C maximum temperature
14
°C minimum temperature
scattered clouds
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
17
kph wind from W

Grantham weather for Tuesday 17th June 2025

Expect broken clouds in Grantham, England with a maximum temperature of 25°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

25
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from W

Grantham weather for Wednesday 18th June 2025

Expect scattered clouds in Grantham, England with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

24
°C maximum temperature
13
°C minimum temperature
scattered clouds
11
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
24
°C wind chill
15
kph wind from NW

Grantham weather for Thursday 19th June 2025

Expect scattered clouds in Grantham, England with a maximum temperature of 25°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the east.

25
°C maximum temperature
11
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
21
kph wind from E

Grantham weather for Friday 20th June 2025

Expect broken clouds in Grantham, England with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-east.