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Boundary County, ID Weather - 14-Day Weather Forecast

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Boundary County ID Weather - Clear - 69°F
Clear
69°F
Updated 7:19 pm
Feels Like 63°F
Humidity 49%
Wind N 0 mph
Barometer  30.08 in
Dew Point 50°F
Boundary County ID Weather - Clear - 21°C
Clear
21°C
Updated 7:19 pm
Feels Like 17°C
Humidity 49%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 10°C
Boundary County, ID Weather and Current Conditionsboundary county id weather forecast

Boundary County, ID Weather Forecast

Boundary County Idaho WeatherBoundary County, Idaho Weather Weather Forecast
14 day API forecast for Boundary County, Idaho. Note. The 7-day weather forecast for Boundary County, ID is the most reliable and accurate forecast. This model should only be used as a likely scenario. It is difficult to predict weather more than 7 days in advance.
Boundary County, ID Weather Forecast Dated: 719 PM Fri Sep 18 2026
Expect a cool pattern with a mix of sun and clouds and mostly dry weather over the coming period. moderate humidity and no major pressure swings will dominate.

Friday, September 18, 2026

Mid-Morning
Boundary County Weather - 2026-09-18 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-18 - Afternoon - Cloudy
71°F 22°C
Cloudy
Early-Evening
Boundary County Weather - 2026-09-18 - Evening - Partly Cloudy
65°F 19°C
Partly Cloudy
Pleasant near 71°F 22°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and steady pressure.

Saturday, September 19, 2026

Mid-Morning
Boundary County Weather - 2026-09-19 - Morning - Sunny
50°F 10°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-19 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Boundary County Weather - 2026-09-19 - Evening - Cloudy
66°F 19°C
Cloudy
Comfortable with temperatures reaching 71°F 22°C, sunny in the morning, overcast in the afternoon, and partly cloudy this evening, with steady humidity and barometric pressure falling.

Sunday, September 20, 2026

Mid-Morning
Boundary County Weather - 2026-09-20 - Morning - Sunny
51°F 11°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-20 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Boundary County Weather - 2026-09-20 - Evening - Sunny
67°F 19°C
Sunny
Enjoyable around 73°F 23°C, sunny throughout the day, with steady humidity and barometric pressure falling.

Monday, September 21, 2026

Mid-Morning
Boundary County Weather - 2026-09-21 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-21 - Afternoon - Sunny
75°F 24°C
Sunny
Early-Evening
Boundary County Weather - 2026-09-21 - Evening - Sunny
67°F 20°C
Sunny
Mild temperatures up to 75°F 24°C, sunny through the afternoon, turning cloudy this evening, with steady humidity and barometric pressure falling.

Tuesday, September 22, 2026

Mid-Morning
Boundary County Weather - 2026-09-22 - Morning - Partly Cloudy
51°F 11°C
Partly Cloudy
Mid-Afternoon
Boundary County Weather - 2026-09-22 - Afternoon - Sunny
72°F 22°C
Sunny
Early-Evening
Boundary County Weather - 2026-09-22 - Evening - Overcast
66°F 19°C
Overcast
Mild with a high of 72°F 22°C, cloudy in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds turning from the S to the SSE at 3 mph 4 km/h.

Wednesday, September 23, 2026

Mid-Morning
Boundary County Weather - 2026-09-23 - Morning - Overcast
51°F 10°C
Overcast
Mid-Afternoon
Boundary County Weather - 2026-09-23 - Afternoon - Overcast
71°F 22°C
Overcast
Early-Evening
Boundary County Weather - 2026-09-23 - Evening - Overcast
66°F 19°C
Overcast
Pleasant near 71°F 22°C, overcast throughout the day, with steady humidity and barometric pressure falling.

Thursday, September 24, 2026

Mid-Morning
Boundary County Weather - 2026-09-24 - Morning - Cloudy
53°F 12°C
Cloudy
Mid-Afternoon
Boundary County Weather - 2026-09-24 - Afternoon - Overcast
68°F 20°C
Overcast
Early-Evening
Boundary County Weather - 2026-09-24 - Evening - Cloudy
63°F 17°C
Cloudy
Comfortable with temperatures reaching 68°F 20°C, partly cloudy through the afternoon, turning overcast this evening, with steady humidity and steady pressure.

Friday, September 25, 2026

Mid-Morning
Boundary County Weather - 2026-09-25 - Morning - Scattered Showers
51°F 10°C
Scattered Showers
Mid-Afternoon
Boundary County Weather - 2026-09-25 - Afternoon - Scattered Showers
51°F 11°C
Scattered Showers
Early-Evening
Boundary County Weather - 2026-09-25 - Evening - Scattered Showers
50°F 10°C
Scattered Showers
Crisp with a high near 51°F 11°C, scattered downpours possible, with increasing humidity and steady pressure.

Saturday, September 26, 2026

Mid-Morning
Boundary County Weather - 2026-09-26 - Morning - Sunny
40°F 5°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-26 - Afternoon - Sunny
56°F 14°C
Sunny
Early-Evening
Boundary County Weather - 2026-09-26 - Evening - Sunny
50°F 10°C
Sunny
Brisk around 56°F 14°C, sunny throughout the day, with lower humidity and steady pressure.

Sunday, September 27, 2026

Mid-Morning
Boundary County Weather - 2026-09-27 - Morning - Sunny
40°F 4°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-27 - Afternoon - Sunny
61°F 16°C
Sunny
Early-Evening
Boundary County Weather - 2026-09-27 - Evening - Sunny
54°F 12°C
Sunny
Mildly cool near 61°F 16°C, partly cloudy in the morning, cloudy in the afternoon, and sunny this evening, with lower humidity and steady pressure.

Monday, September 28, 2026

Mid-Morning
Boundary County Weather - 2026-09-28 - Morning - Sunny
44°F 7°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-28 - Afternoon - Overcast
67°F 20°C
Overcast
Early-Evening
Boundary County Weather - 2026-09-28 - Evening - Overcast
60°F 16°C
Overcast
Comfortable at 67°F 20°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.

Tuesday, September 29, 2026

Mid-Morning
Boundary County Weather - 2026-09-29 - Morning - Sunny
55°F 13°C
Sunny
Mid-Afternoon
Boundary County Weather - 2026-09-29 - Afternoon - Sunny
69°F 21°C
Sunny
Early-Evening
Boundary County Weather - 2026-09-29 - Evening - Sunny
59°F 15°C
Sunny
Comfortable with temperatures reaching 69°F 21°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure.

Wednesday, September 30, 2026

Mid-Morning
Boundary County Weather - 2026-09-30 - Morning - Overcast
46°F 8°C
Overcast
Mid-Afternoon
Boundary County Weather - 2026-09-30 - Afternoon - Overcast
65°F 19°C
Overcast
Early-Evening
Boundary County Weather - 2026-09-30 - Evening - Overcast
60°F 16°C
Overcast
Refreshing around 65°F 19°C, overcast throughout the day, with steady humidity and steady pressure.

Thursday, October 1, 2026

Mid-Morning
Boundary County Weather - 2026-10-01 - Morning - Cloudy
46°F 8°C
Cloudy
Mid-Afternoon
Boundary County Weather - 2026-10-01 - Afternoon - Overcast
68°F 20°C
Overcast
Early-Evening
Boundary County Weather - 2026-10-01 - Evening - Overcast
66°F 19°C
Overcast
Mild temperatures up to 68°F 20°C, cloudy in the morning, partly cloudy in the afternoon, and overcast this evening, with lower humidity and barometric pressure falling.

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Weather by the Numbers

Fri, 18th
Boundary County ID Weather - Friday, Sep 18, 2026 - Partly Cloudy
Hi: 72°F 22°C
Lo: 44°F 7°C
Sunrise 06:26 AM
Sunset 06:51 PM
Wind SSW 1 mph1 km/h
Dew Point 32°F0°C
uv Index 5
Barometric Pressure 30.06 in1018 mb
POP 5% *
Humidity 29%
Sat, 19th
Boundary County ID Weather - Saturday, Sep 19, 2026 - Overcast
Hi: 73°F 23°C
Lo: 45°F 7°C
Sunrise 06:28 AM
Sunset 06:49 PM
Wind S 1 mph1 km/h
Dew Point 35°F2°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 10% *
Humidity 32%
Sun, 20th
Boundary County ID Weather - Sunday, Sep 20, 2026 - Sunny
Hi: 74°F 23°C
Lo: 46°F 8°C
Sunrise 06:29 AM
Sunset 06:47 PM
Wind SSE 1 mph2 km/h
Dew Point 37°F3°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 1% *
Humidity 33%
Mon, 21st
Boundary County ID Weather - Monday, Sep 21, 2026 - Sunny
Hi: 75°F 24°C
Lo: 46°F 8°C
Sunrise 06:30 AM
Sunset 06:45 PM
Wind SSE 1 mph2 km/h
Dew Point 36°F2°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 1% *
Humidity 30%
Tue, 22nd
Boundary County ID Weather - Tuesday, Sep 22, 2026 - Sunny
Hi: 73°F 23°C
Lo: 47°F 8°C
Sunrise 06:32 AM
Sunset 06:43 PM
Wind S 2 mph4 km/h
Dew Point 37°F3°C
uv Index 5
Barometric Pressure 29.88 in1012 mb
POP 1% *
Humidity 32%
Wed, 23rd
Boundary County ID Weather - Wednesday, Sep 23, 2026 - Overcast
Hi: 73°F 23°C
Lo: 49°F 9°C
Sunrise 06:33 AM
Sunset 06:40 PM
Wind WSW 1 mph1 km/h
Dew Point 31°F-0°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 9% *
Humidity 30%
Thu, 24th
Boundary County ID Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 68°F 20°C
Lo: 49°F 9°C
Sunrise 06:35 AM
Sunset 06:38 PM
Wind S 3 mph5 km/h
Dew Point 30°F-1°C
uv Index 5
Barometric Pressure 29.91 in1013 mb
POP 4% *
Humidity 27%
Fri, 25th
Boundary County ID Weather - Friday, Sep 25, 2026 - Light Drizzle
Hi: 56°F 13°C
Lo: 46°F 8°C
Sunrise 06:36 AM
Sunset 06:36 PM
Wind S 5 mph8 km/h
Dew Point 37°F3°C
uv Index 3
Barometric Pressure 29.85 in1011 mb
POP 21% *
Humidity 53%
Sat, 26th
Boundary County ID Weather - Saturday, Sep 26, 2026 - Sunny
Hi: 56°F 14°C
Lo: 35°F 2°C
Sunrise 06:38 AM
Sunset 06:34 PM
Wind S 1 mph2 km/h
Dew Point 29°F-1°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 1% *
Humidity 42%
Sun, 27th
Boundary County ID Weather - Sunday, Sep 27, 2026 - Overcast
Hi: 61°F 16°C
Lo: 34°F 1°C
Sunrise 06:39 AM
Sunset 06:32 PM
Wind SSE 2 mph3 km/h
Dew Point 21°F-6°C
uv Index 3
Barometric Pressure 30.21 in1023 mb
POP 2% *
Humidity 27%
Mon, 28th
Boundary County ID Weather - Monday, Sep 28, 2026 - Sunny
Hi: 69°F 20°C
Lo: 38°F 3°C
Sunrise 06:41 AM
Sunset 06:30 PM
Wind S 0 mph1 km/h
Dew Point 23°F-5°C
uv Index 5
Barometric Pressure 30.03 in1017 mb
POP 0% *
Humidity 25%
Tue, 29th
Boundary County ID Weather - Tuesday, Sep 29, 2026 - Sunny
Hi: 70°F 21°C
Lo: 51°F 10°C
Sunrise 06:42 AM
Sunset 06:28 PM
Wind SSE 2 mph3 km/h
Dew Point 23°F-5°C
uv Index 5
Barometric Pressure 29.74 in1007 mb
POP 0% *
Humidity 20%
Wed, 30th
Boundary County ID Weather - Wednesday, Sep 30, 2026 - Overcast
Hi: 66°F 19°C
Lo: 41°F 5°C
Sunrise 06:43 AM
Sunset 06:26 PM
Wind S 1 mph1 km/h
Dew Point 32°F0°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 10% *
Humidity 35%
Thu, 1st
Boundary County ID Weather - Thursday, Oct 1, 2026 - Sunny
Hi: 72°F 22°C
Lo: 44°F 7°C
Sunrise 06:45 AM
Sunset 06:24 PM
Wind WSW 1 mph2 km/h
Dew Point 34°F1°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 5% *
Humidity 46%
* POP = Probability of Precipitation. Data for 12:00 PM.