Northamptonshire weather live forecast

Today's maximum temperature in Northamptonshire is expected to be 18°C. Select a day from the live weather forecast for Northamptonshire (Northampton), UK for more weather parameters.

Saturday
29th Aug
18

16

1

1
Sunday
30th Aug
20

15

5

4
Monday
31st Aug
20

14

4

4
Tuesday
1st Sep
21

12

5

4
Wednesday
2nd Sep
20

14

3

4

5-day weather forecast updated at 04:03 on Saturday 29th August 2026 GMT

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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 29th August 2026

Expect isolated thunderstorms in Northamptonshire with a maximum temperature of 18°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 17 kph from the south-west.

18
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
92
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from SW

Northamptonshire weather for Sunday 30th August 2026

Expect isolated thunderstorms in Northamptonshire with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 74% chance of some rain and a moderate breeze of 21 kph from the south-west.

20
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
4
UV index (Moderate)
74
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
21
kph wind from SW

Northamptonshire weather for Monday 31st August 2026

Expect broken clouds in Northamptonshire with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
20
°C wind chill
25
kph wind from W

Northamptonshire weather for Tuesday 1st September 2026

Expect broken clouds in Northamptonshire with a maximum temperature of 21°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-west.

21
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
14
kph wind from SW

Northamptonshire weather for Wednesday 2nd September 2026

Expect mostly cloudy with light rain in Northamptonshire with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 23 kph from the south-west.