Northamptonshire weather live forecast

Today's maximum temperature in Northamptonshire is expected to be 21°C. Select a day from the live weather forecast for Northamptonshire (Northampton), UK for more weather parameters.

Saturday
19th Sep
21

15

2

3
Sunday
20th Sep
18

11

8

3
Monday
21st Sep
22

9

5

4
Tuesday
22nd Sep
24

15

4

4
Wednesday
23rd Sep
22

13

2

3

5-day weather forecast updated at 04:03 on Saturday 19th September 2026 GMT

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Destination

The 5-day weather forecast for Northamptonshire (Northampton) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

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Northamptonshire weather forecast by day

Below are the detailed weather forecasts for Northamptonshire for the next 5 days. The forecasts shown are for Northampton and may not represent the whole of Northamptonshire. Browse more destinations in Northamptonshire to view more weather forecasts.

Northamptonshire weather for Saturday 19th September 2026

Expect mostly cloudy with light rain in Northamptonshire with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 10% chance of some rain and a moderate breeze of 25 kph from the south-west.

21
°C maximum temperature
15
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
3
UV index (Moderate)
10
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
25
kph wind from SW

Northamptonshire weather for Sunday 20th September 2026

Expect scattered clouds in Northamptonshire with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.

18
°C maximum temperature
11
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
15
kph wind from NW

Northamptonshire weather for Monday 21st September 2026

Expect broken clouds in Northamptonshire with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

22
°C maximum temperature
9
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
22
°C wind chill
13
kph wind from W

Northamptonshire weather for Tuesday 22nd September 2026

Expect broken clouds in Northamptonshire with a maximum temperature of 24°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

24
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
24
°C wind chill
15
kph wind from SW

Northamptonshire weather for Wednesday 23rd September 2026

Expect broken clouds in Northamptonshire with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.