easeweather.com

Weather in Merrimack County, New Hampshire for October 2026

Your guide to Merrimack County weather in October - trends and predictions

    Temperatures

  • In general, the average temperature in Merrimack County at the beginning of October is 22 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 9.7 °F by the end of October.

  • Rain 🌧️

  • Merrimack County experiences moderate rainfall in October, with an average of 8 rainy days and a total precipitation of 256.2 mm.

  • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
23
Dry days
Average rainy days
8
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/7°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Merrimack County Weather October

Move between months or click on a day

Temperatures trend during October in Merrimack County

See the weather trend as well as the moving average line

October weather in Merrimack County day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
Oct. 1 Sunny
Sunny
17° /7° 0 mm 4
Oct. 2 Cloudy
Cloudy
15° /5° 0 mm 3
Oct. 3 Cloudy
Cloudy
22° /5° 0 mm 3
Oct. 4 Sunny
Sunny
25° /11° 0 mm 3
Oct. 5 Cloudy
Cloudy
25° /14° 0 mm 3
Oct. 6 Mist
Mist
28° /16° 0 mm 3
Oct. 7 Fog
Fog
22° /14° 0 mm 3
Oct. 8 Heavy rain
Heavy rain
17° /10° 69 mm 1
Oct. 9 Sunny
Sunny
11° /4° 0 mm 3
Oct. 10 Sunny
Sunny
16° /1° 0 mm 3
Oct. 11 Overcast
Overcast
13° /5° 0 mm 2
Oct. 12 Overcast
Overcast
11° /6° 5.4 mm 1
Oct. 13 Heavy rain at times
Heavy rain at times
9° /8° 40.6 mm 0
Oct. 14 Patchy rain possible
Patchy rain possible
13° /9° 4.5 mm 0
Oct. 15 Overcast
Overcast
10° /6° 0 mm 2
Oct. 16 Overcast
Overcast
8° /2° 0 mm 2
Oct. 17 Sunny
Sunny
15° /3° 0 mm 2
Oct. 18 Partly cloudy
Partly cloudy
13° /3° 0 mm 2
Oct. 19 Cloudy
Cloudy
19° /7° 0 mm 2
Oct. 20 Heavy rain
Heavy rain
15° /12° 75.6 mm 0
Oct. 21 Sunny
Sunny
17° /8° 0 mm 2
Oct. 22 Moderate or heavy rain with thunder
Moderate or heavy rain with thunder
17° /9° 44.7 mm 1
Oct. 23 Cloudy
Cloudy
12° /7° 0 mm 2
Oct. 24 Cloudy
Cloudy
12° /4° 0 mm 2
Oct. 25 Cloudy
Cloudy
10° /4° 0 mm 2
Oct. 26 Overcast
Overcast
8° /4° 0 mm 1
Oct. 27 Overcast
Overcast
9° /3° 0 mm 1
Oct. 28 Partly cloudy
Partly cloudy
10° /4° 0 mm 1
Oct. 29 Overcast
Overcast
9° /3° 0 mm 1
Oct. 30 Overcast
Overcast
9° /7° 3 mm 0
Oct. 31 Moderate rain at times
Moderate rain at times
13° /5° 13.4 mm 1
Next
Important Notice
Our weather forecast for Merrimack County in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Merrimack County forecast closer to your planned date for the most up-to-date weather information.

Merrimack County in October - FAQ

What are the expected maximum and minimum temperatures in Merrimack County during October?

During October, expect a variety of temperatures with highs around 15° and lows near 7°, suitable for diverse activities and preferences.

How much rainfall should be expected in Merrimack County during October?

Significant rainfall exceeding 256.2 mm is expected in Merrimack County during October, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Merrimack County during October?

The average wind speed in Merrimack County during October is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

October rainfall patterns in Merrimack County

Explore the daily rainfall trends and prepare for Merrimack Countys October weather 💧
Typically, Merrimack County has 8 rainy days in October with a total of 256.2 mm of rainfall.

UV exposure in Merrimack County during October

Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
Top locations in Merrimack County
Select a location for an accurate weather forecast
More Locations

Quick links

More Merrimack County weather pages
Location coordinates Where is Merrimack County?

Get accurate weather forecasts for Merrimack County, located at latitude 43.208 and longitude -71.538. Stay updated with localized weather information tailored for Merrimack County.

Found a mistake?
We appreciate your attention to details. Tell us here.