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Irwin, ID Weather Forecast
Irwin, ID Weather Forecast Dated: 505 AM Thu Sep 10 2026
Expect a mild stretch with a mix of sun and clouds and mostly dry weather over the coming period. comfortable humidity and no major pressure swings will dominate.
Thursday, September 10, 2026
Mid-Morning
59°F 15°C
Sunny
Mid-Afternoon
74°F 24°C
Cloudy
Early-Evening
63°F 17°C
Overcast
Pleasant near 74°F 24°C, sunny in the morning, overcast in the afternoon, and cloudy this evening, with steady humidity and barometric pressure falling. Winds turning from the S to the SSE at 7 mph 11 km/h.
Friday, September 11, 2026
Mid-Morning
57°F 14°C
Scattered Showers
Mid-Afternoon
71°F 22°C
Sunny
Early-Evening
60°F 16°C
Overcast
Comfortable with temperatures reaching 71°F 22°C, scattered downpours possible, with lower humidity and steady pressure. Winds switching from the S to the SSE at 9 mph 15 km/h. Gusts up to 23 mph 37 km/h.
Saturday, September 12, 2026
Mid-Morning
58°F 14°C
Scattered Showers
Mid-Afternoon
75°F 24°C
Nearby Thunderstorms
Early-Evening
63°F 18°C
Overcast
Enjoyable around 75°F 24°C, locally heavy downpours at times, with lower humidity and barometric pressure falling. Winds moving from the SE to the E at 7 mph 11 km/h.
Sunday, September 13, 2026
Mid-Morning
40°F 5°C
Nearby Thunderstorms
Mid-Afternoon
40°F 5°C
Light Showers
Early-Evening
43°F 6°C
Scattered Showers
Nippy around 40°F 5°C, periods of heavy thunderstorms, with steady humidity and steady pressure. Winds swinging from the SSW to the ESE at 5 mph 7 km/h.
Monday, September 14, 2026
Mid-Morning
44°F 7°C
Sunny
Mid-Afternoon
63°F 17°C
Sunny
Early-Evening
52°F 12°C
Sunny
Refreshing around 63°F 17°C, sunny throughout the day, with lower humidity and barometric pressure falling. Winds shifting from the S to the ESE at 7 mph 10 km/h.
Tuesday, September 15, 2026
Mid-Morning
53°F 12°C
Sunny
Mid-Afternoon
72°F 22°C
Partly Cloudy
Early-Evening
61°F 16°C
Overcast
Pleasant near 72°F 22°C, sunny in the morning, partly cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds turning from the SE to the E at 6 mph 9 km/h.
Wednesday, September 16, 2026
Mid-Morning
61°F 16°C
Sunny
Mid-Afternoon
78°F 25°C
Partly Cloudy
Early-Evening
66°F 19°C
Sunny
Comfortable with temperatures reaching 78°F 25°C, partly cloudy through the afternoon, turning sunny this evening, with steady humidity and steady pressure. Winds switching from the SSE to the SE at 8 mph 13 km/h.
Thursday, September 17, 2026
Mid-Morning
63°F 17°C
Sunny
Mid-Afternoon
81°F 27°C
Sunny
Early-Evening
69°F 20°C
Sunny
Quite warm around 81°F 27°C, sunny through the afternoon, turning partly cloudy this evening, with lower humidity and steady pressure. Winds moving from the SE to the E at 6 mph 9 km/h.
Friday, September 18, 2026
Mid-Morning
64°F 18°C
Overcast
Mid-Afternoon
80°F 27°C
Overcast
Early-Evening
71°F 22°C
Overcast
Warm temperatures up to 80°F 27°C, overcast throughout the day, with steady humidity and barometric pressure falling.
Saturday, September 19, 2026
Mid-Morning
65°F 18°C
Scattered Showers
Mid-Afternoon
76°F 24°C
Nearby Thunderstorms
Early-Evening
58°F 15°C
Scattered Showers
Mild with a high of 76°F 24°C, periods of heavy rain and gusty conditions, with increasing humidity and steady pressure. Winds swinging from the SSE to the SE at 6 mph 10 km/h.
Sunday, September 20, 2026
Mid-Morning
57°F 14°C
Overcast
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
55°F 13°C
Overcast
Pleasant near 68°F 20°C, overcast in the morning, sunny in the afternoon, and overcast this evening, with lower humidity and steady pressure. Winds shifting from the S to the SSE at 8 mph 12 km/h.
Monday, September 21, 2026
Mid-Morning
50°F 10°C
Sunny
Mid-Afternoon
68°F 20°C
Sunny
Early-Evening
57°F 14°C
Sunny
Comfortable with temperatures reaching 68°F 20°C, sunny throughout the day, with steady humidity and steady pressure.
Tuesday, September 22, 2026
Mid-Morning
55°F 13°C
Sunny
Mid-Afternoon
75°F 24°C
Sunny
Early-Evening
62°F 17°C
Sunny
Enjoyable around 75°F 24°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Wednesday, September 23, 2026
Mid-Morning
58°F 14°C
Sunny
Mid-Afternoon
77°F 25°C
Sunny
Early-Evening
64°F 18°C
Sunny
Mild temperatures up to 77°F 25°C, sunny throughout the day, with steady humidity and barometric pressure falling.
Irwin, ID Weather Radar Map
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