Jamestown weather live forecast

Today's maximum temperature in Jamestown is expected to be 24°C. Select a day from the live weather forecast for Jamestown, New York, USA for more weather parameters.

Friday
18th Sep
24

14

9

6
Saturday
19th Sep
21

13

2

5
Sunday
20th Sep
21

13

0

2
Monday
21st Sep
19

11

5

5
Tuesday
22nd Sep
16

11

0

3

5-day weather forecast updated at 04:01 on Friday 18th 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 Friday 18th September 2026

Expect sunshine and showers in Jamestown, New York with a maximum temperature of 24°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a gentle breeze of 14 kph from the north.

24
°C maximum temperature
14
°C minimum temperature
sunshine and showers
9
hours of sunshine
6
UV index (High)
1
% chance of some rain
<2
mm of rainfall expected
24
°C wind chill
14
kph wind from N

Jamestown weather for Saturday 19th September 2026

Expect broken clouds in Jamestown, New York with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

21
°C maximum temperature
13
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
11
kph wind from E

Jamestown weather for Sunday 20th September 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 21°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 77% chance of some rain and a gentle breeze of 15 kph from the north.

21
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
77
% chance of some rain
<20
mm of rainfall expected
21
°C wind chill
15
kph wind from N

Jamestown weather for Monday 21st September 2026

Expect sunshine and showers in Jamestown, New York with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 19 kph from the north-east.

19
°C maximum temperature
11
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
31
% chance of some rain
<2
mm of rainfall expected
19
°C wind chill
19
kph wind from NE

Jamestown weather for Tuesday 22nd September 2026

Expect cloudy with some rain in Jamestown, New York with a maximum temperature of 16°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 18 kph from the east.