Weather forecast for todayMerrimac, IA

Weather forecast for today

Current condition 11:00 am CST

  • 72°F
  • Feels like:
    72°F
Sunny
Sunny
  • Precipitation: 0"
  • Wind: 1mphSSW 210°
  • Humidity: 49%
  • Dewpoint: 52°F
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
In Merrimac, currently, the day is bathed in golden sunlight, with no clouds in sight.
The temperature is a pleasant 71.6°F. The current temperature is a few degrees off the maximum of 78.8°F for the day.

Sunday Oct 25, 2026

  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 174°
  • Humidity: 46%
  • UV index: 4
  • Sunrise: 7:30 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
Today, in Merrimac, variable cloud cover will persist, but sunshine will break through.
Temperatures are set to span a considerable range, with a high of a temperate 78.8°F and a low of a cool 51.8°F.
With a forecast of 78.8°F, conditions deviate from October's average and instead resemble September's climate trend.
Sunrise was at 7:30 am and sunset will be at 6:11 pm; the daylight will last for 10h and 42min.

Hourly overview

Hourly temperatures

Warmest period: 3 pm - 4 pm 77°C.
Coldest hour: 10 pm 59°C.

Chance of precipitation

Highest chance: 9 pm - 10 pm 3%.

Hourly weather forecast

  • 1 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 1mphS 184°
  • Humidity: 47%
  • Pressure: 30.33"Hg
  • Visibility: 10mi
  • UV index: 4
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 1mphS 187°
  • Humidity: 45%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 3 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 3mphS 177°
  • Humidity: 42%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 2
  • ▼
  • 4 pm
  • 77°F
  • Feels like:
    77°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 174°
  • Humidity: 43%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 5 pm
  • 75°F
  • Feels like:
    75°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphSSE 165°
  • Humidity: 45%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSSE 156°
  • Humidity: 52%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:11 pm
  • 7 pm
  • 66°F
  • Feels like:
    66°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 3mphSE 145°
  • Humidity: 62%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSE 150°
  • Humidity: 70%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 9 pm
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 152°
  • Humidity: 74%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Cloudy
Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 157°
  • Humidity: 77%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 11 pm
  • 59°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 158°
  • Humidity: 79%
  • Pressure: 30.3"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, primarily cloud-filled and occasionally bright weather is expected.
The temperature will be between a maximum of 77°F and a minimum of 59°F. The warmest part of the day will be at 3 pm and 4 pm.
The highest temperature today will resemble September's average maximum of 76.3°F more than October's average. Today, expect the temperature to be also more alike with September's average minimum of 56.7°F than October's usual 45.7°F.
Updated: Oct 25, 2026 @ 17:00:49 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

The temperature at 11:00 am CST is 71.6°F.

Today, changing cloud patterns will allow for periods of sunshine.

Today, the maximum temperature will be 78.8°F, while the minimum temperature will be 51.8°F.
The highest temperature will be notably higher than the average maximum of 61.7°F in October. The lowest temperature today will be a couple of degrees higher than the average low temperature.

On Sunday, in Merrimac, sunrise was at 7:30 am and sunset will be at 6:11 pm (CDT).

Today, the daylight will last for 10h and 42min.