Grantham weather live forecast

Today's maximum temperature in Grantham is expected to be 13°C. Select a day from the live weather forecast for Grantham, England, UK for more weather parameters.

Tuesday
20th Oct
13

10

0

1
Wednesday
21st Oct
12

6

1

1
Thursday
22nd Oct
12

5

5

1
Friday
23rd Oct
13

7

1

1
Saturday
24th Oct
11

6

0

1

5-day weather forecast updated at 04:03 on Tuesday 20th October 2026 GMT

More about Grantham

Grantham by month

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

Recommended for England

Spabreaks.com promo code: 8% off bookings & vouchers

Exclusive

Save 8% on spa breaks, spa days & gift vouchers
Check out latest offers on over 550 spas across the UK
A guaranteed experience to suit your budget & occasion

Show discount code

******SB8

Redeem Spabreaks.com discount code >>

Expires at 23:59 on Thursday 31st Dec 2026 · View all Spabreaks.com offers

Spa break 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 Tuesday 20th October 2026

Expect overcast with light rain in Grantham, England with a maximum temperature of 13°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 90% chance of some rain and a moderate breeze of 23 kph from the east.

13
°C maximum temperature
10
°C minimum temperature
overcast with light rain
0
hours of sunshine
1
UV index (Low)
90
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
23
kph wind from E

Grantham weather for Wednesday 21st October 2026

Expect mostly cloudy with light rain in Grantham, England with a maximum temperature of 12°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 71% chance of some rain and a fresh breeze of 32 kph from the west.

12
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
71
% chance of some rain
<5
mm of rainfall expected
12
°C wind chill
32
kph wind from W

Grantham weather for Thursday 22nd October 2026

Expect sunshine and showers in Grantham, England with a maximum temperature of 12°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 70% chance of some rain and a moderate breeze of 22 kph from the south-west.

12
°C maximum temperature
5
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
70
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Grantham weather for Friday 23rd October 2026

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 13°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 86% chance of some rain and a fresh breeze of 35 kph from the north-west.

13
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
86
% chance of some rain
<20
mm of rainfall expected
13
°C wind chill
35
kph wind from NW

Grantham weather for Saturday 24th October 2026

Expect mostly cloudy with rain in Grantham, England with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 77% chance of some rain and a fresh breeze of 32 kph from the south.