Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 11°C. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Monday
15th Dec
11

9

2

0
Tuesday
16th Dec
9

2

0

0
Wednesday
17th Dec
8

2

0

0
Thursday
18th Dec
10

9

0

0
Friday
19th Dec
9

4

4

0

5-day weather forecast updated at 04:04 on Monday 15th December 2025 GMT

More about Grantham

Grantham by month

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

Recommended for England

Travelodge: Hotel rooms from £35 or less

Sale

Book hotels in the UK for £35 or less (London from £49)
Prices based on lowest saver room rates. T&Cs apply
Travel before 8th October 2026 (inclusive)

Go to Travelodge deal >>

View all Travelodge offers

Hotel deal finder

Destination

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 15th December 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 11°C and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 44% chance of some rain and a fresh breeze of 32 kph from the south.

11
°C maximum temperature
9
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
0
UV index (None)
44
% chance of some rain
<2
mm of rainfall expected
11
°C wind chill
32
kph wind from S

Grantham weather for Tuesday 16th December 2025

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 9°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 43% chance of some rain and a gentle breeze of 18 kph from the north-west.

9
°C maximum temperature
2
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
43
% chance of some rain
<10
mm of rainfall expected
6
°C wind chill
18
kph wind from NW

Grantham weather for Wednesday 17th December 2025

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 37% chance of some rain and a fresh breeze of 32 kph from the south.

8
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
37
% chance of some rain
<2
mm of rainfall expected
4
°C wind chill
32
kph wind from S

Grantham weather for Thursday 18th December 2025

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 10°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 75% chance of some rain and a fresh breeze of 34 kph from the south.

10
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
75
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
34
kph wind from S

Grantham weather for Friday 19th December 2025

Expect sunshine and showers in Grantham, England with a maximum temperature of 9°C and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 9% chance of some rain and a moderate breeze of 26 kph from the south-west.