Weather forecast for tomorrowAmmon, ID
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 34°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphW 269°
- Humidity: 50%
- UV index: 4
- Sunrise: 7:45 am MDT
- Sunset: 6:39 pm MDT
- details ▼
Tomorrow, on Sunday, expect a partly sunny afternoon with variable cloud cover.
Temperature readings are forecasted to span from a high of a comfortable 66.2°F to a low of an icy 33.8°F.
The temperature of 66.2°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:45 am and sunset at 6:39 pm; tomorrow's daylight will last for 10h and 54min.
Temperature readings are forecasted to span from a high of a comfortable 66.2°F to a low of an icy 33.8°F.
The temperature of 66.2°F aligns more with what is typical in September than what is normal in October.
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 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 3 am - 6 am 2%.
Hourly weather forecast
- 12 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSSE 153°
- Humidity: 68%
- 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: 4mphESE 106°
- Humidity: 74%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:34°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphESE 123°
- Humidity: 75%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphESE 107°
- Humidity: 76%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:45 am
- 8 am
- 34°F
- Feels like:28°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphESE 102°
- Humidity: 80%
- 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: 4mphNNE 15°
- Humidity: 63%
- 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 294°
- Humidity: 43%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphW 276°
- Humidity: 33%
- 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 245°
- Humidity: 31%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 199°
- Humidity: 39%
- 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 131°
- Humidity: 56%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSE 137°
- Humidity: 67%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and clear weather is anticipated.
The temperature will vary between a minimum of 33.8°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature will align more closely with September's average high of 73.6°F than with October's 55.6°F. The lowest temperature is consistent with October's typical minimum of 37.2°F.
The temperature will vary between a minimum of 33.8°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature will align more closely with September's average high of 73.6°F than with October's 55.6°F. The lowest temperature is consistent with October's typical minimum of 37.2°F.
Updated: Oct 17, 2026 @ 21:55:58 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, expect a partly sunny afternoon with variable cloud cover.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 33.8°F.
The maximum temperature tomorrow will be uncommonly 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.
The maximum temperature tomorrow will be uncommonly 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 Ammon, sunrise will be at 7:45 am and sunset at 6:39 pm (MDT).
In Ammon, the length of the day tomorrow will be 10h and 54min.





