Weather forecast for tomorrowWaterloo, IA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 17mphSSW 194°
- Humidity: 54%
- UV index: 4
- Sunrise: 7:26 am CDT
- Sunset: 6:22 pm CDT
- details ▼
Tomorrow, clear and sunny conditions are also expected.
Temperature readings will span from a daytime high of an enjoyable 66.2°F to a night low of an icy 39.2°F.
This October day will feature warmer weather, consistent with September's average of 73.2°F.
Sunrise will be at 7:26 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 56min.
Temperature readings will span from a daytime high of an enjoyable 66.2°F to a night low of an icy 39.2°F.
This October day will feature warmer weather, consistent with September's average of 73.2°F.
Sunrise will be at 7:26 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 56min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 3 am - 6 am 4%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphSSW 196°
- Humidity: 70%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphSSW 195°
- Humidity: 75%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:36°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 194°
- Humidity: 79%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:34°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 189°
- Humidity: 83%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:26 am
- 8 am
- 43°F
- Feels like:36°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 190°
- Humidity: 80%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:46°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 15mphSSW 195°
- Humidity: 64%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSSW 197°
- Humidity: 47%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphSSW 196°
- Humidity: 42%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 16mphSSW 192°
- Humidity: 39%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphS 187°
- Humidity: 42%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:22 pm
- 8 pm
- 55°F
- Feels like:52°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 9mphS 180°
- Humidity: 59%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 188°
- Humidity: 70%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a cloudless sky and mainly sunshiny weather are expected.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will be between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature is more consistent with September's average maximum of 73.2°F than October's usual of 58.5°F. Tomorrow, the low will be slightly cooler than the usual October value of 43.5°F.
The temperature will be between a minimum of 41°F and a maximum of 64.4°F. The feels-like temperature will be between the lowest temperature of 33.8°F and the highest temperature of 64.4°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature is more consistent with September's average maximum of 73.2°F than October's usual of 58.5°F. Tomorrow, the low will be slightly cooler than the usual October value of 43.5°F.
Updated: Oct 17, 2026 @ 15:09:26 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 Waterloo, sunny and dry conditions are anticipated.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in October. The lowest temperature tomorrow will be also relatively lower than the average low temperature.
The maximum temperature tomorrow will be moderately higher than the average highest temperature in October. The lowest temperature tomorrow will be also relatively lower than the average low temperature.
On Sunday, in Waterloo, sunrise will be at 7:26 am and sunset at 6:22 pm (CDT).
In Waterloo, the length of the day tomorrow will be 10h and 56min.
