Weather forecast for tomorrowIona, ID
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 34°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphW 264°
- Humidity: 49%
- UV index: 4
- Sunrise: 7:45 am MDT
- Sunset: 6:39 pm MDT
- details ▼
Tomorrow, on Sunday, some passing clouds may drift through, but the sun will shine at times.
Temperature changes will be remarkable, ranging from a high of a breezy 66.2°F to a low of an icy 33.8°F.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 73.6°F than October's of 55.6°F.
Sunrise will be at 7:45 am and sunset at 6:39 pm; tomorrow's daylight will last for 10h and 54min.
Temperature changes will be remarkable, ranging from a high of a breezy 66.2°F to a low of an icy 33.8°F.
Tomorrow, the maximum temperature will be higher and more reflective of September's average high of 73.6°F than October's of 55.6°F.
Sunrise will be at 7:45 am and sunset at 6:39 pm; tomorrow's daylight will last for 10h and 54min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 6 am 2%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSE 143°
- Humidity: 60%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphESE 121°
- Humidity: 69%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:34°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSE 132°
- Humidity: 70%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphESE 105°
- Humidity: 75%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:45 am
- 8 am
- 32°F
- Feels like:28°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphE 87°
- Humidity: 78%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 43°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 5°
- Humidity: 64%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWNW 286°
- Humidity: 43%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphW 268°
- Humidity: 32%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 243°
- Humidity: 29%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 184°
- Humidity: 37%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:39 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 125°
- Humidity: 55%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphSE 136°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily cloudy and occasionally bright weather is anticipated.
The temperature will vary between a minimum of 32°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the minimum temperature will be consistent with the average low for October.
The temperature will vary between a minimum of 32°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the minimum temperature will be consistent with the average low for October.
Updated: Oct 18, 2026 @ 03:34:25 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, thin clouds will pass through at times, but overall, it will remain bright.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 33.8°F.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 55.6°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the maximum temperature will be notably higher than the average highest temperature of 55.6°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Iona, sunrise will be at 7:45 am and sunset at 6:39 pm (MDT).
In Iona, the length of the day tomorrow will be 10h and 54min.





