Weather for tomorrow

Grantham

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Weather tomorrow: Grantham

Forecast for tomorrow, 29 September: overcast. The daily air temperature range is 11 to 23 °C. Chance of precipitation tomorrow according to the daily forecast: 22%. Forecast precipitation amount: 0 mm. Wind from the east at 7.2 m/s.

tuesday 29 september

Overcast

Overcast, Precipitation probability 22%, Sunrise 07:00, Sunset 18:44, 29.09.2026

+23°

+11°

Sunset 18:44

G/m activity 2

Precipitation probability 22%

Precipitation 0.0 mm

Wind 7.2 m/s

Pressure 1015.9 hPa

Index UV 2

Humidity 83%

Sunrise 07:00

Moon Waning Gibbous

Sunrise 07:00

Sunset 18:44

G/m activity 2

Moon Waning Gibbous

Clear
night
+12°
Fog
morning
+11°
Overcast and showers
day
+18°
Overcast
evening
+20°
Time
Description
Temperature
Precipitation probability
Precipitation
Wind

00:00

Overcast

12°

25 %
-

E

2.8 m/s

01:00

Overcast

12°

25 %
-

NE

2.8 m/s

02:00

Overcast

12°

28 %
-

E

2.8 m/s

03:00

Overcast

11°

31 %
-

E

2.8 m/s

04:00

Fog

11°

20 %
-

E

3.1 m/s

05:00

Clear

11°

15 %
-

NE

3.3 m/s

06:00

Fog

11°

19 %
-

NE

2.8 m/s

07:00

Fog

11°

22 %
-

NE

2.8 m/s

08:00

Fog

12°

27 %
-

NE

3.1 m/s

09:00

Overcast

13°

30 %
-

NE

4.2 m/s

10:00

Overcast

14°

31 %
-

NE

3.9 m/s

11:00

Overcast

14°

30 %
-

E

4.2 m/s

12:00

Overcast

15°

29 %
-

E

3.6 m/s

13:00

Overcast

17°

20 %
-

SE

3.3 m/s

14:00

Cloudy

20°

12 %
-

SE

4.2 m/s

15:00

Cloudy

21°

14 %
-

SE

5.3 m/s

16:00

Overcast

22°

14 %
-

S

5 m/s

17:00

Overcast

22°

14 %
-

SE

4.7 m/s

18:00

Cloudy

22°

4 %
-

SE

5.8 m/s

19:00

Partly cloudy

21°

5 %
-

S

5.3 m/s

20:00

Partly cloudy

19°

9 %
-

SE

4.7 m/s

21:00

Overcast

18°

23 %
-

SE

3.9 m/s

22:00

Cloudy

17°

20 %
-

SE

3.9 m/s

23:00

Overcast

17°

14 %
-

SE

4.2 m/s

What is the atmospheric pressure in Grantham tomorrow?

Location elevation is unspecified

Forecast for 29.09.2026 · Local time

Pressure: 1010.6–1021.2 hPa.

Minimum: 1010.6 hPa23:00

Maximum: 1021.2 hPa00:00–01:00

Largest change over 3 hours: −2.7 hPa · 01:00–04:00
First of 7 intervals with the same change magnitude shown.

hPa · Change over the previous 3 hours

1021.2 00:00 —
1021.2 01:00 —
1019.9 02:00 —
1019.9 03:00 −1.3
1018.6 04:00 −2.7
1017.2 05:00 −2.7
1017.2 06:00 −2.7
1017.2 07:00 −1.3
1017.2 08:00 0
1017.2 09:00 0
1017.2 10:00 0
1015.9 11:00 −1.3
1015.9 12:00 −1.3
1014.6 13:00 −2.7
1013.3 14:00 −2.7
1013.3 15:00 −2.7
1013.3 16:00 −1.3
1011.9 17:00 −1.3
1011.9 18:00 −1.3
1013.3 19:00 0
1013.3 20:00 +1.3
1011.9 21:00 0
1011.9 22:00 −1.3
1010.6 23:00 −2.7

Colours show pressure relative to this day’s range

Lower · 1010.6 Scale midpoint · 1015.9 Higher · 1021.2 Largest change over 3 hours

What is the chance of precipitation in Grantham tomorrow?

Chance of precipitation tomorrow according to the daily forecast: 22%.

Precipitation for tomorrow

Hourly precipitation forecast
00:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 25%
01:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 25%
02:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 28%
03:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 31%
04:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
05:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 15%
06:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 19%
07:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 22%
08:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 27%
09:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 30%
10:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 31%
11:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 30%
12:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 29%
13:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
14:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 12%
15:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
16:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
17:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%
18:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 4%
19:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 5%
20:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 9%
21:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 23%
22:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 20%
23:00 Amount of precipitation in millimeters (mm): 0 mm Probability of precipitation in percent (%): 14%

Grantham weather tomorrow: morning, afternoon and evening

Morning: fog, +11 °C. Afternoon: overcast and showers, +18 °C. Evening: overcast, +20 °C.

According to the hourly forecast, tomorrow's highest temperature is expected from 16:00 to 18:00, at around +22 °C. Times are local.

Tomorrow's strongest winds are expected at 18:00 (from the southeast). Times are local.

Temperature and wind for tomorrow

+12° +11° +11° +13° +15° +21° +22° +18° 2.8 m/s 2.8 m/s 2.8 m/s 4.2 m/s 3.6 m/s 5.3 m/s 5.8 m/s 3.9 m/s
00:00 03:00 06:00 09:00 12:00 15:00 18:00 21:00
- Wind direction and speed, m/s
- Temperature, °C

What geomagnetic activity is forecast for Grantham tomorrow?

The highest forecast Kp index for tomorrow is 2.

Magnetic storm tomorrow

00:00 2
03:00 2
06:00 2
09:00 2
12:00 1
15:00 1
18:00 1
21:00 2

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