Jamestown weather live forecast

Today's maximum temperature in Jamestown is expected to be 79°F. Select a day from the live weather forecast for Jamestown, New York, USA for more weather parameters.

Monday
10th Aug
79

68

4

3
Tuesday
11th Aug
79

64

9

6
Wednesday
12th Aug
82

61

6

6
Thursday
13th Aug
79

63

4

5
Friday
14th Aug
77

57

9

7

5-day weather forecast updated at 04:01 on Monday 10th August 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 10th August 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 11 mph from the south-west.

79
°F maximum temperature
68
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
3
UV index (Moderate)
91
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
11
mph wind from SW

Jamestown weather for Tuesday 11th August 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 2-5 mm of rainfall expected with 28% chance of some rain and a light breeze of 7 mph from the north-west.

79
°F maximum temperature
64
°F minimum temperature
isolated thunderstorms
9
hours of sunshine
6
UV index (High)
28
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
7
mph wind from NW

Jamestown weather for Wednesday 12th August 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 82°F, low levels of heat & humidity, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a light breeze of 6 mph from the west.

82
°F maximum temperature
61
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
63
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
6
mph wind from W

Jamestown weather for Thursday 13th August 2026

Expect isolated thunderstorms in Jamestown, New York with a maximum temperature of 79°F, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 9 mph from the north-west.

79
°F maximum temperature
63
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
42
% chance of some rain
<5
mm of rainfall expected
L
low heat & humidity
9
mph wind from NW

Jamestown weather for Friday 14th August 2026

Expect scattered clouds in Jamestown, New York with a maximum temperature of 77°F, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the north.