Irwin, ID Weather Forecast | 5 Day
Updated: Wed Jul 16th 2025 8:30 PM MDT
Ask About Weather
Test our newly developed Weather Chatbot. It provides up to 10 days of forecast information!
Sunny
Wed 7-16-25
Sunny with a high of 80°F and a low of 44°F. Wind will be moderate, blowing around 14mph on average and gusts of 7.5mph at 11 PM. Humidity levels should be comfortable, sitting around 53% on average, the maximum being 44% at 11 PM and 37% being its lowest at 9 PM. Barometric pressure is its highest of 29.9inHg at 11 PM, a lowest point of 29.84inHg at 9 PM with an avg 29.87inHg.
- HI: 80°F
- LO: 44°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
13.6 mph - Humidity
53% avg. - UV Index
2.7 - Air QualityGood
- Sunrise
05:59 AM - Sunset
09:02 PM - Moonrise
No moonrise - Moonset
12:29 PM - Moon Phase
Waning Gibbous

Sunny
Weather Tomorrow, Thu 7-17-25
Sunny with a high of 84°F and a low of 42°F. Wind will be moderate, blowing around 18mph on average and gusts of 20.6mph at 1 PM. Humidity levels should be comfortable, sitting around 36% on average, the maximum being 53% at 7 AM and 21% being its lowest at 12 PM. Barometric pressure is its highest of 30inHg at 7 AM, a lowest point of 29.79inHg at 5 PM with an avg 29.89inHg.
- HI: 84°F
- LO: 42°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
17.9 mph - Humidity
36% avg. - UV Index
2.8 - Air QualityGood
- Sunrise
06:00 AM - Sunset
09:01 PM - Moonrise
12:05 AM - Moonset
01:45 PM - Moon Phase
Last Quarter

Sunny
Fri 7-18-25
Sunny with a high of 84°F and a low of 49°F. Wind will be moderate, blowing around 13mph on average and gusts of 14.2mph at 3 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 48% at 11 PM and 23% being its lowest at 6 PM. Barometric pressure is its highest of 29.98inHg at 11 PM, a lowest point of 29.81inHg at 6 PM with an avg 29.9inHg.
- HI: 84°F
- LO: 49°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
12.3 mph - Humidity
37% avg. - UV Index
2.1 - Air QualityGood
- Sunrise
06:01 AM - Sunset
09:00 PM - Moonrise
12:28 AM - Moonset
03:02 PM - Moon Phase
Last Quarter

Sunny
Sat 7-19-25
Sunny with a high of 83°F and a low of 45°F. Wind will be moderate, blowing around 17mph on average and gusts of 18.5mph at 3 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 56% at 6 AM and 13% being its lowest at 7 PM. Barometric pressure is its highest of 30.07inHg at 6 AM, a lowest point of 29.79inHg at 7 PM with an avg 29.95inHg.
- HI: 83°F
- LO: 45°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
16.1 mph - Humidity
37% avg. - UV Index
2.2 - Air QualityGood
- Sunrise
06:02 AM - Sunset
08:59 PM - Moonrise
12:56 AM - Moonset
04:22 PM - Moon Phase
Waning Crescent

Sunny
Sun 7-20-25
Sunny with a high of 86°F and a low of 41°F. Wind will be moderate, blowing around 17mph on average and gusts of 19mph at 4 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 46% at 6 AM and 10% being its lowest at 3 PM. Barometric pressure is its highest of 30inHg at 7 AM, a lowest point of 29.7inHg at 7 PM with an avg 29.86inHg.
- HI: 86°F
- LO: 41°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
16.6 mph - Humidity
26% avg. - UV Index
2.8 - Air QualityGood
- Sunrise
06:03 AM - Sunset
08:58 PM - Moonrise
01:31 AM - Moonset
05:41 PM - Moon Phase
Waning Crescent

Sunny
Mon 7-21-25
Sunny with a high of 87°F and a low of 43°F. Wind will be moderate, blowing around 20mph on average and gusts of 22.9mph at 3 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 40% at 6 AM and 10% being its lowest at 6 PM. Barometric pressure is its highest of 29.92inHg at 6 AM, a lowest point of 29.67inHg at 6 PM with an avg 29.81inHg.
- HI: 87°F
- LO: 43°F
- Rainfall: 0%
- Snowfall: 0%
- Wind
19.9 mph - Humidity
29% avg. - UV Index
0 - Air QualityTBA
- Sunrise
06:04 AM - Sunset
08:58 PM - Moonrise
02:15 AM - Moonset
06:54 PM - Moon Phase
Waning Crescent
This 5-Day weather forecast is valid for ZIP code 83428, accurately covering the area of Irwin, ID.
Currently
![]() |
73°F |
30.07 inHg.
Barometer 30%
Humidity W 8.3 mph Wind |
Sunny |
National Outlook
Storms and Heat Wave Impact U.S. - July 16-18, 2025
Tue Jul 15th 2025, 3:52pm PDT
Read
Heavy Rain Risks for Gulf Coast and Summer Heatwave Looms: July 17-21, 2025
Extended Forecast
Mon Jul 14th 2025, 11:52am PDT
Read
Mon Jul 14th 2025, 11:52am PDT