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Jamestown ID Weather - Clear - 76°F
Clear
76°F
Updated 1:53 pm
Feels Like 73°F
Humidity 27%
Wind VRB 3 mph
Barometer  30.13 in
Dew Point 40°F
Jamestown ID Weather - Clear - 24°C
Clear
24°C
Updated 1:53 pm
Feels Like 23°C
Humidity 27%
Wind VRB 5 km/h
Barometer  102 kPa
Dew Point 4°C
Jamestown, ID Weather and Current Conditionsjamestown id weather forecast

Jamestown, ID Weather Forecast

Jamestown Idaho WeatherJamestown, Idaho Weather Weather Forecast
14 day API Jamestown, ID weather forecast. Note. Our 7-day weather forecast for Jamestown, Idaho is our most reliable and accurate forecast. This model should only be used as a likely scenario. Forecasting more than 7 days is difficult.
Jamestown, ID Weather Forecast Dated: 153 PM Wed Sep 16 2026
Expect a mild stretch with a mix of sun and clouds and occasional showers over the coming period. comfortable humidity and no major pressure swings will dominate.

Wednesday, September 16, 2026

Mid-Morning
Jamestown Weather - 2026-09-16 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Jamestown Weather - 2026-09-16 - Afternoon - Scattered Showers
84°F 29°C
Scattered Showers
Early-Evening
Jamestown Weather - 2026-09-16 - Evening - Light Showers
68°F 20°C
Light Showers
Warm and summery near 84°F 29°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds turning from the NE to the E at 7 mph 12 km/h.

Thursday, September 17, 2026

Mid-Morning
Jamestown Weather - 2026-09-17 - Morning - Light Showers
62°F 17°C
Light Showers
Mid-Afternoon
Jamestown Weather - 2026-09-17 - Afternoon - Light Showers
79°F 26°C
Light Showers
Early-Evening
Jamestown Weather - 2026-09-17 - Evening - Sunny
69°F 21°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, showers lingering into the afternoon before clearing, with lower humidity and steady pressure. Winds building from E at 3 mph 5 km/h to ESE at 13 mph 21 km/h.

Friday, September 18, 2026

Mid-Morning
Jamestown Weather - 2026-09-18 - Morning - Sunny
60°F 16°C
Sunny
Mid-Afternoon
Jamestown Weather - 2026-09-18 - Afternoon - Nearby Thunderstorms
73°F 23°C
Nearby Thunderstorms
Early-Evening
Jamestown Weather - 2026-09-18 - Evening - Scattered Showers
65°F 18°C
Scattered Showers
Enjoyable around 73°F 23°C, heavy thunderstorms conditions at times, with steady humidity and barometric pressure falling. Winds increasing from the NE at 2 mph 4 km/h to ESE at 10 mph 17 km/h.

Saturday, September 19, 2026

Mid-Morning
Jamestown Weather - 2026-09-19 - Morning - Overcast
55°F 13°C
Overcast
Mid-Afternoon
Jamestown Weather - 2026-09-19 - Afternoon - Scattered Showers
69°F 20°C
Scattered Showers
Early-Evening
Jamestown Weather - 2026-09-19 - Evening - Overcast
65°F 18°C
Overcast
Mild temperatures up to 69°F 20°C, periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds swinging from the SW to the NE at 7 mph 11 km/h.

Sunday, September 20, 2026

Mid-Morning
Jamestown Weather - 2026-09-20 - Morning - Cloudy
57°F 14°C
Cloudy
Mid-Afternoon
Jamestown Weather - 2026-09-20 - Afternoon - Sunny
74°F 23°C
Sunny
Early-Evening
Jamestown Weather - 2026-09-20 - Evening - Sunny
69°F 20°C
Sunny
Mild with a high of 74°F 23°C, overcast in the morning, becoming sunny through the afternoon and evening, with lower humidity and barometric pressure falling. Winds shifting from the NNE to the SE at 5 mph 8 km/h.

Monday, September 21, 2026

Mid-Morning
Jamestown Weather - 2026-09-21 - Morning - Overcast
61°F 16°C
Overcast
Mid-Afternoon
Jamestown Weather - 2026-09-21 - Afternoon - Overcast
80°F 27°C
Overcast
Early-Evening
Jamestown Weather - 2026-09-21 - Evening - Overcast
72°F 22°C
Overcast
Warm and summery near 80°F 27°C, overcast throughout the day, with lower humidity and barometric pressure falling. Winds turning from the NE to the SE at 5 mph 8 km/h.

Tuesday, September 22, 2026

Mid-Morning
Jamestown Weather - 2026-09-22 - Morning - Partly Cloudy
61°F 16°C
Partly Cloudy
Mid-Afternoon
Jamestown Weather - 2026-09-22 - Afternoon - Overcast
79°F 26°C
Overcast
Early-Evening
Jamestown Weather - 2026-09-22 - Evening - Sunny
70°F 21°C
Sunny
Comfortable with temperatures reaching 79°F 26°C, partly cloudy in the morning, overcast in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds switching from the SW to the SSW at 10 mph 15 km/h.

Wednesday, September 23, 2026

Mid-Morning
Jamestown Weather - 2026-09-23 - Morning - Sunny
57°F 14°C
Sunny
Mid-Afternoon
Jamestown Weather - 2026-09-23 - Afternoon - Partly Cloudy
77°F 25°C
Partly Cloudy
Early-Evening
Jamestown Weather - 2026-09-23 - Evening - Sunny
70°F 21°C
Sunny
Enjoyable around 77°F 25°C, sunny in the morning, partly cloudy in the afternoon, and sunny this evening, with lower humidity and barometric pressure falling. Winds moving from the S to the SSE at 6 mph 10 km/h.

Thursday, September 24, 2026

Mid-Morning
Jamestown Weather - 2026-09-24 - Morning - Sunny
60°F 15°C
Sunny
Mid-Afternoon
Jamestown Weather - 2026-09-24 - Afternoon - Sunny
84°F 29°C
Sunny
Early-Evening
Jamestown Weather - 2026-09-24 - Evening - Sunny
74°F 23°C
Sunny
Warm temperatures up to 84°F 29°C, sunny throughout the day, with steady humidity and barometric pressure falling. Winds swinging from the ENE to the SSE at 8 mph 13 km/h.

Friday, September 25, 2026

Mid-Morning
Jamestown Weather - 2026-09-25 - Morning - Sunny
63°F 17°C
Sunny
Mid-Afternoon
Jamestown Weather - 2026-09-25 - Afternoon - Overcast
85°F 30°C
Overcast
Early-Evening
Jamestown Weather - 2026-09-25 - Evening - Overcast
71°F 22°C
Overcast
Very warm with a high of 85°F 30°C, sunny in the morning, becoming overcast through the afternoon and evening, with increasing humidity and barometric pressure falling. Winds picking up from ENE at 5 mph 8 km/h to SW at 17 mph 27 km/h. Gusts up to 26 mph 42 km/h.

Saturday, September 26, 2026

Mid-Morning
Jamestown Weather - 2026-09-26 - Morning - Light Showers
59°F 15°C
Light Showers
Mid-Afternoon
Jamestown Weather - 2026-09-26 - Afternoon - Nearby Thunderstorms
66°F 19°C
Nearby Thunderstorms
Early-Evening
Jamestown Weather - 2026-09-26 - Evening - Scattered Showers
58°F 14°C
Scattered Showers
Comfortable at 66°F 19°C, scattered downpours possible, with steady humidity and steady pressure. Winds turning from the SSE to the SE at 6 mph 9 km/h.

Sunday, September 27, 2026

Mid-Morning
Jamestown Weather - 2026-09-27 - Morning - Light Showers
48°F 9°C
Light Showers
Mid-Afternoon
Jamestown Weather - 2026-09-27 - Afternoon - Light Showers
41°F 5°C
Light Showers
Early-Evening
Jamestown Weather - 2026-09-27 - Evening - Light Showers
40°F 5°C
Light Showers
Cold with a high near 41°F 5°C, on-and-off showers throughout the day, with steady humidity and barometric pressure rising. Winds switching from the WSW to the SE at 10 mph 16 km/h.

Monday, September 28, 2026

Mid-Morning
Jamestown Weather - 2026-09-28 - Morning - Sunny
39°F 4°C
Sunny
Mid-Afternoon
Jamestown Weather - 2026-09-28 - Afternoon - Sunny
55°F 13°C
Sunny
Early-Evening
Jamestown Weather - 2026-09-28 - Evening - Sunny
50°F 10°C
Sunny
Brisk around 55°F 13°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds moving from the SSW to the ESE at 5 mph 8 km/h.

Tuesday, September 29, 2026

Mid-Morning
Jamestown Weather - 2026-09-29 - Morning - Partly Cloudy
42°F 5°C
Partly Cloudy
Mid-Afternoon
Jamestown Weather - 2026-09-29 - Afternoon - Partly Cloudy
70°F 21°C
Partly Cloudy
Early-Evening
Jamestown Weather - 2026-09-29 - Evening - Partly Cloudy
61°F 17°C
Partly Cloudy
Mild temperatures up to 70°F 21°C, partly cloudy throughout the day, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Wed, 16th
Jamestown ID Weather - Wednesday, Sep 16, 2026 - Sunny
Hi: 84°F 29°C
Lo: 49°F 9°C
Sunrise 07:09 AM
Sunset 07:37 PM
Wind W 5 mph8 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 0% *
Humidity 20%
Thu, 17th
Jamestown ID Weather - Thursday, Sep 17, 2026 - Light Rain Shower
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 07:11 AM
Sunset 07:35 PM
Wind SSE 6 mph9 km/h
Dew Point 51°F11°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 39% *
Humidity 55%
Fri, 18th
Jamestown ID Weather - Friday, Sep 18, 2026 - Overcast
Hi: 77°F 25°C
Lo: 52°F 11°C
Sunrise 07:12 AM
Sunset 07:33 PM
Wind WNW 6 mph9 km/h
Dew Point 45°F7°C
uv Index 5
Barometric Pressure 29.97 in1015 mb
POP 9% *
Humidity 40%
Sat, 19th
Jamestown ID Weather - Saturday, Sep 19, 2026 - Thundery Outbreaks In Nearby
Hi: 71°F 21°C
Lo: 50°F 10°C
Sunrise 07:13 AM
Sunset 07:31 PM
Wind WSW 9 mph14 km/h
Dew Point 43°F6°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 6% *
Humidity 47%
Sun, 20th
Jamestown ID Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 75°F 24°C
Lo: 54°F 12°C
Sunrise 07:14 AM
Sunset 07:29 PM
Wind WSW 7 mph12 km/h
Dew Point 38°F3°C
uv Index 6
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 33%
Mon, 21st
Jamestown ID Weather - Monday, Sep 21, 2026 - Overcast
Hi: 80°F 27°C
Lo: 53°F 12°C
Sunrise 07:15 AM
Sunset 07:28 PM
Wind NW 4 mph6 km/h
Dew Point 27°F-3°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 8% *
Humidity 17%
Tue, 22nd
Jamestown ID Weather - Tuesday, Sep 22, 2026 - Partly Cloudy
Hi: 79°F 26°C
Lo: 55°F 13°C
Sunrise 07:16 AM
Sunset 07:26 PM
Wind WSW 13 mph21 km/h
Dew Point 24°F-4°C
uv Index 6
Barometric Pressure 29.85 in1011 mb
POP 2% *
Humidity 15%
Wed, 23rd
Jamestown ID Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 77°F 25°C
Lo: 49°F 10°C
Sunrise 07:17 AM
Sunset 07:24 PM
Wind SW 9 mph14 km/h
Dew Point 22°F-5°C
uv Index 6
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 16%
Thu, 24th
Jamestown ID Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 84°F 29°C
Lo: 51°F 10°C
Sunrise 07:18 AM
Sunset 07:22 PM
Wind W 5 mph9 km/h
Dew Point 16°F-9°C
uv Index 6
Barometric Pressure 30.06 in1018 mb
POP 0% *
Humidity 11%
Fri, 25th
Jamestown ID Weather - Friday, Sep 25, 2026 - Overcast
Hi: 85°F 30°C
Lo: 54°F 12°C
Sunrise 07:20 AM
Sunset 07:20 PM
Wind SW 2 mph4 km/h
Dew Point 19°F-7°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 9% *
Humidity 10%
Sat, 26th
Jamestown ID Weather - Saturday, Sep 26, 2026 - Patchy Rain Nearby
Hi: 69°F 21°C
Lo: 53°F 12°C
Sunrise 07:21 AM
Sunset 07:19 PM
Wind SW 14 mph22 km/h
Dew Point 47°F8°C
uv Index 5
Barometric Pressure 29.68 in1005 mb
POP 7% *
Humidity 46%
Sun, 27th
Jamestown ID Weather - Sunday, Sep 27, 2026 - Light Rain Shower
Hi: 52°F 11°C
Lo: 39°F 4°C
Sunrise 07:22 AM
Sunset 07:17 PM
Wind SW 14 mph23 km/h
Dew Point 40°F5°C
uv Index 2
Barometric Pressure 29.91 in1013 mb
POP 44% *
Humidity 86%
Mon, 28th
Jamestown ID Weather - Monday, Sep 28, 2026 - Sunny
Hi: 55°F 13°C
Lo: 36°F 2°C
Sunrise 07:23 AM
Sunset 07:15 PM
Wind SSW 9 mph15 km/h
Dew Point 26°F-3°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 41%
Tue, 29th
Jamestown ID Weather - Tuesday, Sep 29, 2026 - Partly Cloudy
Hi: 70°F 21°C
Lo: 36°F 2°C
Sunrise 07:24 AM
Sunset 07:13 PM
Wind NE 4 mph6 km/h
Dew Point 21°F-6°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 3% *
Humidity 24%
* POP = Probability of Precipitation. Data for 12:00 PM.