Jamestown weather live forecast

Today's maximum temperature in Jamestown is expected to be 26°C. Select a day from the live weather forecast for Jamestown, New York, USA for more weather parameters.

Wednesday
16th Sep
26

18

3

2
Thursday
17th Sep
25

18

1

3
Friday
18th Sep
23

13

6

6
Saturday
19th Sep
22

13

1

6
Sunday
20th Sep
21

14

1

5

5-day weather forecast updated at 04:01 on Wednesday 16th September 2026 GMT

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

Jamestown weather forecast by day

Below are the detailed weather forecasts for Jamestown for the next 5 days.

Jamestown weather for Wednesday 16th September 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 14 kph from the south.

26
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
2
UV index (Low)
66
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
14
kph wind from S

Jamestown weather for Thursday 17th September 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 25°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a light breeze of 12 kph from the north-west.

25
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
3
UV index (Moderate)
82
% chance of some rain
<10
mm of rainfall expected
25
°C wind chill
12
kph wind from NW

Jamestown weather for Friday 18th September 2026

Expect broken clouds in Jamestown, New York with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

23
°C maximum temperature
13
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from N

Jamestown weather for Saturday 19th September 2026

Expect mostly cloudy with rain in Jamestown, New York with a maximum temperature of 22°C, maximum UV of 6 (High) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 13 kph from the south-east.

22
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
6
UV index (High)
56
% chance of some rain
<10
mm of rainfall expected
22
°C wind chill
13
kph wind from SE

Jamestown weather for Sunday 20th September 2026

Expect mostly cloudy with rain in Jamestown, New York with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 15 kph from the north-east.