Jamestown weather live forecast

Today's maximum temperature in Jamestown is expected to be 30°C. Select a day from the live weather forecast for Jamestown, New York, USA for more weather parameters.

Monday
18th May
30

17

12

8
Tuesday
19th May
29

20

7

9
Wednesday
20th May
20

7

5

9
Thursday
21st May
16

5

8

8
Friday
22nd May
20

6

7

8

5-day weather forecast updated at 04:01 on Monday 18th May 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 Monday 18th May 2026

Expect scattered clouds in Jamestown, New York with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

30
°C maximum temperature
17
°C minimum temperature
scattered clouds
12
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from SW

Jamestown weather for Tuesday 19th May 2026

Expect broken clouds in Jamestown, New York with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-west.

29
°C maximum temperature
20
°C minimum temperature
broken clouds
7
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
24
kph wind from SW

Jamestown weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 20°C, maximum UV of 9 (Very High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 18 kph from the north-west.

20
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
9
UV index (Very High)
53
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
18
kph wind from NW

Jamestown weather for Thursday 21st May 2026

Expect broken clouds in Jamestown, New York with a maximum temperature of 16°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

16
°C maximum temperature
5
°C minimum temperature
broken clouds
8
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Jamestown weather for Friday 22nd May 2026

Expect sunshine and showers in Jamestown, New York with a maximum temperature of 20°C, maximum UV of 8 (Very High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 18 kph from the south-east.