Weather forecast for tomorrowHerndon, IA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 70°F
- 43°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 9mphS 176°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:34 am CDT
- Sunset: 6:29 pm CDT
- details ▼
Tomorrow, on Monday, partly cloudy skies will persist, making for a mix of sun and clouds.
Significant variations in temperature are anticipated, peaking at a delightful 69.8°F and dropping to a low of a frosty 42.8°F.
This October day will feature warmer weather, consistent with September's average of 74.8°F.
Sunrise will be at 7:34 am and sunset at 6:29 pm; tomorrow's daylight will last for 10h and 55min.
Significant variations in temperature are anticipated, peaking at a delightful 69.8°F and dropping to a low of a frosty 42.8°F.
This October day will feature warmer weather, consistent with September's average of 74.8°F.
Sunrise will be at 7:34 am and sunset at 6:29 pm; tomorrow's daylight will last for 10h and 55min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 68°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 3 am - 6 am 7%.
Hourly weather forecast
- 12 am
- 48°F
- Feels like:46°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 5mphSSW 192°
- Humidity: 81%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphS 182°
- Humidity: 89%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 5mphS 179°
- Humidity: 96%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphS 173°
- Humidity: 100%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:34 am
- 8 am
- 43°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphS 176°
- Humidity: 97%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphS 173°
- Humidity: 74%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphS 181°
- Humidity: 52%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 183°
- Humidity: 45%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 179°
- Humidity: 42%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:63°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSE 160°
- Humidity: 47%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:29 pm
- 8 pm
- 55°F
- Feels like:54°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSE 151°
- Humidity: 65%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:50°F
Mostly Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphSSE 166°
- Humidity: 77%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of dull and clear weather is anticipated.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 3 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The expected low will be alike with the average minimum in October, which is 43.9°F.
The temperature will vary between the lowest temperature of 41°F and the highest temperature of 68°F. The warmest part of the day is anticipated around 3 pm.
The temperature will feel more in line with September's average high than the expected maximum for October. The expected low will be alike with the average minimum in October, which is 43.9°F.
Updated: Oct 18, 2026 @ 05:11:38 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 Monday, clouds and sunshine will alternate throughout the day.
Tomorrow, the maximum temperature will be 69.8°F, while the minimum temperature will be 42.8°F.
The highest temperature will be notably higher than the average maximum of 59.9°F in October. The lowest temperature will be in line with the average low of 43.9°F.
The highest temperature will be notably higher than the average maximum of 59.9°F in October. The lowest temperature will be in line with the average low of 43.9°F.
On Monday, in Herndon, sunrise will be at 7:34 am and sunset at 6:29 pm (CDT).
Tomorrow, the daylight will last for 10h and 55min.
