Weather forecast for tomorrowHerndon, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 53%
- UV index: 4
- Sunrise: 7:33 am CDT
- Sunset: 6:31 pm CDT
- details ▼
Tomorrow, on Sunday, October 18, the forecast calls for abundant sunshine.
Temperature readings are anticipated to span from a high of a pleasant 68°F to a low of a cold 41°F.
Tomorrow, the expected high will be higher and much closer to September's average high of 74.8°F than October's 59.9°F.
Sunrise will be at 7:33 am and sunset at 6:31 pm; tomorrow's daylight will last for 10h and 58min.
Temperature readings are anticipated to span from a high of a pleasant 68°F to a low of a cold 41°F.
Tomorrow, the expected high will be higher and much closer to September's average high of 74.8°F than October's 59.9°F.
Sunrise will be at 7:33 am and sunset at 6:31 pm; tomorrow's daylight will last for 10h and 58min.
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: 7:33 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
Partly Cloudy
- 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: 6:31 pm
- 8 pm
- 55°F
- Feels like:54°F
Mostly Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphSSE 155°
- Humidity: 66%
- 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, on Sunday, a combination of cloudy and dry and sunny weather is forecasted.
The temperature will be 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.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the night is expected to be similar to the typical October low of 43.9°F.
The temperature will be 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.
Tomorrow, the peak temperature is expected to align more with September than with October's typical high. Tomorrow, the night is expected to be similar to the typical October low of 43.9°F.
Updated: Oct 18, 2026 @ 04:02:30 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, the forecast calls for abundant sunshine.
Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 59.9°F in October. The lowest temperature will be in line with the average low of 43.9°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 59.9°F in October. The lowest temperature will be in line with the average low of 43.9°F.
On Sunday, in Herndon, sunrise will be at 7:33 am and sunset at 6:31 pm (CDT).
In Herndon, tomorrow, there will be 10h and 58min of daylight.
