Jamestown weather live forecast

Today's maximum temperature in Jamestown is expected to be 21°C. Select a day from the live weather forecast for Jamestown, New York, USA for more weather parameters.

Sunday
20th Sep
21

13

1

3
Monday
21st Sep
19

11

2

5
Tuesday
22nd Sep
17

11

1

2
Wednesday
23rd Sep
18

11

0

3
Thursday
24th Sep
18

9

0

6

5-day weather forecast updated at 04:01 on Sunday 20th 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 Sunday 20th September 2026

Expect mostly cloudy with rain in Jamestown, New York with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 14 kph from the north.

21
°C maximum temperature
13
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
3
UV index (Moderate)
73
% chance of some rain
<10
mm of rainfall expected
21
°C wind chill
14
kph wind from N

Jamestown weather for Monday 21st September 2026

Expect broken clouds in Jamestown, New York with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

19
°C maximum temperature
11
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
19
°C wind chill
18
kph wind from NE

Jamestown weather for Tuesday 22nd September 2026

Expect mostly cloudy with light rain in Jamestown, New York with a maximum temperature of 17°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 60% chance of some rain and a gentle breeze of 16 kph from the east.

17
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
60
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
16
kph wind from E

Jamestown weather for Wednesday 23rd September 2026

Expect overcast skies in Jamestown, New York with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the east.

18
°C maximum temperature
11
°C minimum temperature
overcast skies
0
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
18
kph wind from E

Jamestown weather for Thursday 24th September 2026

Expect overcast skies in Jamestown, New York with a maximum temperature of 18°C, maximum UV of 6 (High) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.