Weather forecast for tomorrowGrafton, IA
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 8mphS 170°
- Humidity: 63%
- UV index: 4
- Sunrise: 7:31 am CDT
- Sunset: 6:23 pm CDT
- details ▼
On Monday, in Grafton, clouds and sunshine will alternate throughout the day.
A significant variation in temperature is forecasted, ranging from a high of a comfortable 66.2°F to a low of a cold 39.2°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 71.4°F.
Sunrise will be at 7:31 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 52min.
A significant variation in temperature is forecasted, ranging from a high of a comfortable 66.2°F to a low of a cold 39.2°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 71.4°F.
Sunrise will be at 7:31 am and sunset at 6:23 pm; tomorrow's daylight will last for 10h and 52min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 39°C.
Coldest hour: 6 am 39°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphSSW 198°
- Humidity: 75%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSSW 197°
- Humidity: 84%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 6mphS 188°
- Humidity: 93%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphS 174°
- Humidity: 98%
- Pressure: 30.3"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 41°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 4mphS 169°
- Humidity: 96%
- Pressure: 30.3"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 6mphS 175°
- Humidity: 78%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 59°F
- Feels like:59°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 178°
- Humidity: 55%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 64°F
- Feels like:64°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphSSE 168°
- Humidity: 47%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 170°
- Humidity: 42%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphSSE 146°
- Humidity: 49%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:23 pm
- 8 pm
- 54°F
- Feels like:52°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSE 130°
- Humidity: 69%
- Pressure: 30.27"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphSE 132°
- Humidity: 80%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, a combination of mostly clear and cloud-filled weather is forecasted.
The temperature will vary between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 71.4°F than with October's 56.3°F. The night temperature will be similar to the standard October low of 41.7°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The maximum temperature will align more closely with September's average high of 71.4°F than with October's 56.3°F. The night temperature will be similar to the standard October low of 41.7°F.
Updated: Oct 18, 2026 @ 08:43:05 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
Tomorrow, occasional cloudiness will be present, but there will still be plenty of sun.
Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.7°F.
The maximum temperature will be uncommonly higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.7°F.
On Monday, in Grafton, sunrise will be at 7:31 am and sunset at 6:23 pm (CDT).
In Grafton, the length of the day tomorrow will be 10h and 52min.





