Weather forecast for todayMerrimac, IA

Weather forecast for today

Current condition 3:40 am CST

  • 54°F
  • Feels like:
    52°F
Clear
Clear
  • Precipitation: 0"
  • Wind: 4mphS 170°
  • Humidity: 87%
  • Dewpoint: 48°F
  • Pressure: 30.35"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
In Merrimac, currently, uninterrupted clear skies make for a beautiful day.
The temperature is a crisp 53.6°F, and the felt air temperature is almost the same at 51.8°F. The current temperature is near the lowest anticipated 51.8°F for today.

Sunday Oct 25, 2026

  • 79°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 175°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:30 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
Today, a mix of clouds and blue sky is expected.
Considerable temperature fluctuations from a high of a warm 78.8°F to a low of a cool 51.8°F are forecasted.
The temperature of 78.8°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:30 am and sunset at 6:11 pm; the daylight will last for 10h and 42min.

Hourly overview

Hourly temperatures

Warmest hour: 3 pm 77°C.
Coldest period: 5 am - 7 am 52°C.

Chance of precipitation

Highest chance: 9 pm - 11 pm 3%.

Hourly weather forecast

  • 6 am
  • 52°F
  • Feels like:
    50°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphS 169°
  • Humidity: 88%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunrise: 7:30 am
  • 8 am
  • 52°F
  • Feels like:
    52°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 4mphSSE 169°
  • Humidity: 88%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 am
  • 61°F
  • Feels like:
    61°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 183°
  • Humidity: 67%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 12 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 186°
  • Humidity: 48%
  • Pressure: 30.36"Hg
  • Visibility: 10mi
  • UV index: 3
  • ▼
  • 2 pm
  • 75°F
  • Feels like:
    75°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 4mphS 188°
  • Humidity: 45%
  • Pressure: 30.3"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 175°
  • Humidity: 43%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 1
  • ▼
  • 6 pm
  • 72°F
  • Feels like:
    72°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 3mphSSE 161°
  • Humidity: 51%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Sunset: 6:11 pm
  • 8 pm
  • 63°F
  • Feels like:
    63°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 156°
  • Humidity: 71%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
  • 10 pm
  • 59°F
  • Feels like:
    59°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 2mphSSE 157°
  • Humidity: 78%
  • Pressure: 30.27"Hg
  • Visibility: 10mi
  • UV index: 0
  • ▼
Today, gray skies are likely.
The temperature will be between the lowest temperature of 51.8°F and the highest temperature of 77°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more resembling September's average high than the expected maximum for October. Today, the night will be also more consistent with September's average minimum of 56.7°F than October's usual value of 45.7°F.
Updated: Oct 25, 2026 @ 09:40:25 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Currently (3:40 am CST) it is 53.6°F in Merrimac.

On Sunday, patchy clouds will move across the sky, allowing for sunshine at times.

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

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

In Merrimac, the length of the day today will be 10h and 42min.