Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 54°F. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Wednesday
15th Oct
54

46

1

1
Thursday
16th Oct
54

46

2

2
Friday
17th Oct
54

45

0

1
Saturday
18th Oct
55

45

5

1
Sunday
19th Oct
55

46

0

1

5-day weather forecast updated at 04:09 on Wednesday 15th October 2025 GMT

More about Grantham

Grantham by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for England

The Clermont: 20% off winter hotel stays

Sale

Save 20% on 2+ night stays at The Clermont
Sign up to membership for free to save EXTRA 10%
Travel between 18th Dec 2025 & 1st Mar 2026 (inclusive)

Go to The Clermont deal >>

Expires at 23:59 on Tuesday 28th Oct 2025

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 Wednesday 15th October 2025

Expect broken clouds in Grantham, England with a maximum temperature of 54°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north.

54
°F maximum temperature
46
°F minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from N

Grantham weather for Thursday 16th October 2025

Expect broken clouds in Grantham, England with a maximum temperature of 54°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the north.

54
°F maximum temperature
46
°F minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from N

Grantham weather for Friday 17th October 2025

Expect overcast skies in Grantham, England with a maximum temperature of 54°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the east.

54
°F maximum temperature
45
°F minimum temperature
overcast skies
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
54
°F wind chill
6
mph wind from E

Grantham weather for Saturday 18th October 2025

Expect broken clouds in Grantham, England with a maximum temperature of 55°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the south-east.

55
°F maximum temperature
45
°F minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
55
°F wind chill
11
mph wind from SE

Grantham weather for Sunday 19th October 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 55°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 57% chance of some rain and a moderate breeze of 15 mph from the south-east.