Weather forecast for tomorrowGrinnell, KS

Weather forecast for tomorrow

Monday Oct 19, 2026

  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSSE 151°
  • Humidity: 53%
  • UV index: 4
  • Sunrise: 7:56 am CDT
  • Sunset: 6:58 pm CDT
  • ▼
Tomorrow, in Grinnell, a mix of clouds and blue sky is expected.
Temperature span will be from a high of an agreeable 68°F to a low of a frosty 44.6°F.
The high temperature is anticipated to match October's standard maximum of 65.7°F.
Sunrise will be at 7:56 am and sunset at 6:58 pm; tomorrow's daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 6 pm 66°C.
Coldest hour: 6 am 41°C.

Chance of precipitation

Highest chance: 6 am - 9 am 4%.

Hourly weather forecast

  • 12 am
  • 50°F
  • Feels like:
    46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 178°
  • Humidity: 57%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 46°F
  • Feels like:
    43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphS 186°
  • Humidity: 63%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 43°F
  • Feels like:
    39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 72%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 41°F
  • Feels like:
    37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphS 177°
  • Humidity: 78%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:56 am
  • 8 am
  • 41°F
  • Feels like:
    39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSE 127°
  • Humidity: 82%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 50°F
  • Feels like:
    48°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 5mphS 171°
  • Humidity: 66%
  • Pressure: 30.15"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 57°F
  • Feels like:
    57°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphSSE 167°
  • Humidity: 48%
  • Pressure: 30.12"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSE 143°
  • Humidity: 38%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 68°F
  • Feels like:
    68°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 141°
  • Humidity: 36%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphSE 143°
  • Humidity: 40%
  • Pressure: 30.03"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:58 pm
  • 8 pm
  • 57°F
  • Feels like:
    55°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphSE 127°
  • Humidity: 59%
  • Pressure: 30.06"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 52°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 7mphSE 134°
  • Humidity: 69%
  • Pressure: 30.09"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, a combination of cloudy and sunny weather is predicted.
The temperature will vary between a minimum of 41°F and a maximum of 68°F. The warmest part of the day will be around 4 pm.
The maximum temperature will be alike with the average high of 65.7°F in October. The night temperature will be also in line with the standard October low of 46.6°F.
Updated: Oct 18, 2026 @ 06:25:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Monday, in Grinnell, the sky will feature a blend of clouds and sunshine.

Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 44.6°F.
The maximum temperature will be in line with the average highest temperature of 65.7°F in October. The lowest temperature will be also in line with the average low of 46.6°F.

On Monday, in Grinnell, sunrise will be at 7:56 am and sunset at 6:58 pm (CDT).

In Grinnell, tomorrow, there will be 11h and 2min of daylight.