Weather forecast for todayMerrimac, IA

Weather forecast for today

Current condition 12:28 pm CDT

  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 6mphSSW 200°
  • Humidity: 43%
  • Dewpoint: 32°F
  • Pressure: 30.53"Hg
  • Visibility: 8mi
  • UV index: 4
  • ▼
In Merrimac, at the moment, sunlight is abundant, and the weather remains pleasant.
The temperature is a mild 55.4°F, and the feels-like temperature is almost the same at 53.6°F. The current temperature is almost at the maximum of today's predicted 59°F.

Saturday Oct 17, 2026

  • 59°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 204°
  • Humidity: 42%
  • UV index: 4
  • Sunrise: 7:20 am CDT
  • Sunset: 6:23 pm CDT
  • ▼
On Saturday, October 17, conditions remain stable and sunny, with little cloud presence.
The temperature is expected to vary between a moderate 59°F and a wintry 39.2°F.
October's usual high of 61.7°F is anticipated to be matched by the day’s maximum temperature.
Sunrise was at 7:20 am and sunset will be at 6:23 pm; the daylight will last for 11h and 2min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 59°C.
Coldest period: 9 pm - 10 pm 45°C.

Chance of precipitation

Highest chance: 9 pm - 10 pm 2%.

Hourly weather forecast

  • 1 pm
  • 55°F
  • Feels like:
    54°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSSW 211°
  • Humidity: 41%
  • Pressure: 30.5"Hg
  • Visibility: 9mi
  • UV index: 4
  • ▼
  • 2 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 7mphSW 215°
  • Humidity: 39%
  • Pressure: 30.47"Hg
  • Visibility: 9mi
  • UV index: 4
  • ▼
  • 3 pm
  • 59°F
  • Feels like:
    57°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 210°
  • Humidity: 38%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 4 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 202°
  • Humidity: 42%
  • Pressure: 30.45"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 57°F
  • Feels like:
    55°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 8mphSSW 193°
  • Humidity: 44%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 54°F
  • Feels like:
    52°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 6mphS 186°
  • Humidity: 50%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:23 pm
  • 7 pm
  • 50°F
  • Feels like:
    48°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 180°
  • Humidity: 56%
  • Pressure: 30.39"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 46°F
  • Feels like:
    45°F
Clear
Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphS 178°
  • Humidity: 65%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 45°F
  • Feels like:
    43°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 179°
  • Humidity: 70%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 45°F
  • Feels like:
    41°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 182°
  • Humidity: 74%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 43°F
  • Feels like:
    39°F
Clear
Clear
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 6mphS 185°
  • Humidity: 76%
  • Pressure: 30.42"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, in Merrimac, sunny conditions are likely to prevail.
The temperature will vary between the highest temperature of 59°F and the lowest temperature of 42.8°F. The warmest part of the day will be around 3 pm.
The highest temperature today will be in line with October's typical maximum. Today, the overnight low is more resembling November's usual minimum of 34°F than October's 45.7°F.
Updated: Oct 17, 2026 @ 17:28:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (12:28 pm CDT) it is 55.4°F in Merrimac.

On Saturday, sunny skies are in store, with excellent visibility.

Today, the maximum temperature will be 59°F, while the minimum temperature will be 39.2°F.
Today, the maximum temperature will be in line with the average highest temperature in October. Today, the lowest temperature will be a couple of degrees lower than the average low temperature.

On Saturday, in Merrimac, sunrise was at 7:20 am and sunset will be at 6:23 pm (CDT).

Today, the daylight will last for 11h and 2min.