Weather forecast for tomorrowMerwin, MO

Weather forecast for tomorrow

Sunday Oct 18, 2026

  • 68°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 12mphS 187°
  • Humidity: 57%
  • UV index: 5
  • Sunrise: 7:30 am CDT
  • Sunset: 6:36 pm CDT
  • ▼
Tomorrow, on Sunday, expect consistent sunshine and open skies.
A stark contrast will be evident between the daytime peak temperature of a pleasant 68°F and the nighttime low of a cold 41°F.
October's usual high of 65.7°F is predicted to be matched by the day’s maximum temperature.
Sunrise will be at 7:30 am and sunset at 6:36 pm; tomorrow's daylight will last for 11h and 6min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 39°C.

Chance of precipitation

Highest chance: 6 am 7%.

Hourly weather forecast

  • 12 am
  • 43°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphS 174°
  • Humidity: 79%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 2 am
  • 41°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 3mphS 181°
  • Humidity: 84%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 4 am
  • 41°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 3mphS 173°
  • Humidity: 87%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 am
  • 39°F
  • Feels like:
    37°F
Clear
Clear
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 3mphSSE 168°
  • Humidity: 90%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:30 am
  • 8 am
  • 41°F
  • Feels like:
    37°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphS 174°
  • Humidity: 87%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 52°F
  • Feels like:
    48°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 8mphS 187°
  • Humidity: 65%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 12 pm
  • 61°F
  • Feels like:
    59°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphSSW 197°
  • Humidity: 48%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 64°F
  • Feels like:
    64°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 12mphSSW 195°
  • Humidity: 43%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 4 pm
  • 66°F
  • Feels like:
    66°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 11mphS 188°
  • Humidity: 42%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 6 pm
  • 63°F
  • Feels like:
    63°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphS 180°
  • Humidity: 48%
  • Pressure: 30.24"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:36 pm
  • 8 pm
  • 54°F
  • Feels like:
    54°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSE 166°
  • Humidity: 67%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 50°F
  • Feels like:
    50°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Tomorrow, bright skies and dry conditions are anticipated.
The temperature will be between a minimum of 39.2°F and a maximum of 66.2°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted high will be resembling the typical October maximum of 65.7°F. The minimum temperature will be more similar to November's average low of 37.8°F than October's typical 48.2°F.
Updated: Oct 17, 2026 @ 16:26:21 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, uninterrupted sunshine is anticipated.

Tomorrow, the maximum temperature will be 68°F, while the minimum temperature will be 41°F.
The highest temperature tomorrow will be in line with the average maximum temperature in October. The lowest temperature will be relatively lower than the average low of 48.2°F.

On Sunday, in Merwin, sunrise will be at 7:30 am and sunset at 6:36 pm (CDT).

In Merwin, Missouri, tomorrow, there will be 11h and 6min of daylight.