Weather forecast for 10 daysHerndon, IA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:33 am CDT
- Sunset: 6:31 pm CDT
- details ▼
On Sunday, October 18, sunny and dry conditions are also anticipated.
Temperature values will vary noticeably, extending from a pleasant 68°F to an icy 41°F.
A high of 68°F is expected, which resembles September's climate average of 74.8°F more 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 values will vary noticeably, extending from a pleasant 68°F to an icy 41°F.
A high of 68°F is expected, which resembles September's climate average of 74.8°F more 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.
10-day overview
Daily temperatures
Warmest period: Thursday - Saturday 77°C.
Coldest day: tomorrow 68°C.
Coldest day: tomorrow 68°C.
Chance of precipitation
Highest chance: Monday 26.10. 24%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 39°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphSSW 194°
- Humidity: 71%
- UV index: 0
- Sunrise: 7:32 am CDT
- Sunset: 6:33 pm CDT
- details ▼
- Sunday
- Oct 18, 2026
- 68°F
- 41°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:33 am CDT
- Sunset: 6:31 pm CDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 43°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 9mphS 174°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:34 am CDT
- Sunset: 6:29 pm CDT
- details ▼
- Tuesday
- Oct 20, 2026
- 72°F
- 48°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 10mphSSE 159°
- Humidity: 61%
- UV index: 4
- Sunrise: 7:35 am CDT
- Sunset: 6:28 pm CDT
- details ▼
- Wednesday
- Oct 21, 2026
- 75°F
- 48°F
Mostly Sunny
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphS 191°
- Humidity: 62%
- UV index: 4
- Sunrise: 7:36 am CDT
- Sunset: 6:26 pm CDT
- details ▼
- Thursday
- Oct 22, 2026
- 77°F
- 52°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphSSE 162°
- Humidity: 65%
- UV index: 4
- Sunrise: 7:38 am CDT
- Sunset: 6:25 pm CDT
- details ▼
- Friday
- Oct 23, 2026
- 77°F
- 55°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphSSE 154°
- Humidity: 60%
- UV index: 4
- Sunrise: 7:39 am CDT
- Sunset: 6:24 pm CDT
- details ▼
- Saturday
- Oct 24, 2026
- 77°F
- 55°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 15mphS 173°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:40 am CDT
- Sunset: 6:22 pm CDT
- details ▼
- Sunday
- Oct 25, 2026
- 72°F
- 50°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 8mphW 261°
- Humidity: 63%
- UV index: 3
- Sunrise: 7:41 am CDT
- Sunset: 6:21 pm CDT
- details ▼
- Monday
- Oct 26, 2026
- 73°F
- 50°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 9mphSE 139°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:42 am CDT
- Sunset: 6:19 pm CDT
- details ▼
Weather models show that a combination of dull and bright weather is anticipated.
Rainfall is not predicted in Herndon in the upcoming days.
In the upcoming days, the highest temperature will vary between 68°F and 77°F, while the difference in minimum temperatures will be substantial, as the overnight lows will vary from 39.2°F to 55.4°F.
The warmest days will be Thursday through next Saturday, with a maximum of 77°F; Sunday will be the coldest day, with the highest temperature of 68°F.
Rainfall is not predicted in Herndon in the upcoming days.
In the upcoming days, the highest temperature will vary between 68°F and 77°F, while the difference in minimum temperatures will be substantial, as the overnight lows will vary from 39.2°F to 55.4°F.
The warmest days will be Thursday through next Saturday, with a maximum of 77°F; Sunday will be the coldest day, with the highest temperature of 68°F.
Updated: Oct 17, 2026 @ 22:50:24 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, in Herndon, the forecast calls for abundant sunshine.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 41°F.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the maximum temperature will be slightly warmer than the average highest temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
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.





