The long-range forecast for Grantham predicts a heatwave, with temperatures reaching up to 32°, significantly higher than typical for Grantham for this time of the year and 5.6 °C above the historical average.
Select a month and click on a day for more information:
Wednesday
Jul 1
20° / 10°
Thursday
Jul 2
19° / 10°
Friday
Jul 3
19° / 9°
Saturday
Jul 4
24° / 14°
Sunday
Jul 5
25° / 16°
Monday
Jul 6
28° / 15°
Tuesday
Jul 7
28° / 16°
Wednesday
Jul 8
31° / 15°
Thursday
Jul 9
32° / 16°
Friday
Jul 10
29° / 14°
Saturday
Jul 11
29° / 13°
Sunday
Jul 12
29° / 14°
Monday
Jul 13
24° / 15°
Tuesday
Jul 14
20° / 16°
Wednesday
Jul 15
28° / 14°
Thursday
Jul 16
26° / 14°
Friday
Jul 17
21° / 14°
Saturday
Jul 18
28° / 15°
Sunday
Jul 19
27° / 16°
Monday
Jul 20
24° / 14°
Tuesday
Jul 21
19° / 12°
Wednesday
Jul 22
19° / 12°
Thursday
Jul 23
21° / 13°
Friday
Jul 24
22° / 13°
Saturday
Jul 25
22° / 13°
Sunday
Jul 26
21° / 12°
Monday
Jul 27
21° / 11°
Tuesday
Jul 28
22° / 12°
Wednesday
Jul 29
22° / 12°
Thursday
Jul 30
22° / 14°
Friday
Jul 31
22° / 14°
Grantham 30 days weather forecast
Check out our estimated 30 days weather forecast for Grantham, this data is based on the average weather in Grantham in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Grantham next to the desired date.