weathercrisp.com
Barnstable County (Hyannis)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Honolulu (HI)Houston (TX)Huntsville (AL)Hyannis (MA)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Barnstable County, Massachusetts for August 2026

Your guide to Barnstable County weather in August - trends and predictions

    Temperatures

  • In general, the average temperature in Barnstable County at the beginning of August is 23.6 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 22 °C by the end of August.

    • Rain 🌧️

  • Barnstable County experiences moderate rainfall in August, with an average of 6 rainy days and a total precipitation of 51.7 mm.

    • More

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

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/18°
Temperatures
Average wind speed
22 km/h
Avg max wind
Average humidity
78 %
Avg humidity

Barnstable County Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
19°
2
Partly cloudy
22°
3
Sunny
26°
4
Sunny
29°
5
Cloudy
27°
6
Overcast
21°
7
Fog
21°
8
Mist
23°
9
Partly cloudy
22°
10
Fog
23°
11
Overcast
27°
12
Overcast
27°
13
Overcast
24°
14
Light rain shower
24°
15
Overcast
24°
16
Mist
25°
17
Overcast
27°
18
Overcast
21°
19
Cloudy
22°
20
Overcast
19°
21
Light rain shower
19°
22
Overcast
22°
23
Sunny
24°
24
Overcast
23°
25
Fog
22°
26
Sunny
26°
27
Partly cloudy
22°
28
Overcast
21°
29
Cloudy
22°
30
Partly cloudy
20°
31
Sunny
21°

Temperatures trend during August in Barnstable County

See the weather trend as well as the moving average line

August weather in Barnstable County day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
Aug. 1 Overcast
Overcast
 19° /17° 5.5 mm 2
Aug. 2 Partly cloudy
Partly cloudy
 22° /17° 0 mm 11
Aug. 3 Sunny
Sunny
 26° /18° 0 mm 10
Aug. 4 Sunny
Sunny
 29° /19° 0 mm 10
Aug. 5 Cloudy
Cloudy
 27° /19° 0 mm 11
Aug. 6 Overcast
Overcast
 21° /17° 0 mm 2
Aug. 7 Fog
Fog
 21° /16° 0 mm 5
Aug. 8 Mist
Mist
 23° /16° 0 mm 11
Aug. 9 Partly cloudy
Partly cloudy
 22° /17° 0 mm 8
Aug. 10 Fog
Fog
 23° /16° 0 mm 4
Aug. 11 Overcast
Overcast
 27° /17° 0 mm 5
Aug. 12 Overcast
Overcast
 27° /20° 0 mm 7
Aug. 13 Overcast
Overcast
 24° /19° 0 mm 2
Aug. 14 Light rain shower
Light rain shower
 24° /21° 2.4 mm 2
Aug. 15 Overcast
Overcast
 24° /18° 0 mm 8
Aug. 16 Mist
Mist
 25° /19° 0 mm 10
Aug. 17 Overcast
Overcast
 27° /18° 0 mm 4
Aug. 18 Overcast
Overcast
 21° /17° 8.1 mm 10
Aug. 19 Cloudy
Cloudy
 22° /17° 0 mm 9
Aug. 20 Overcast
Overcast
 19° /17° 6.6 mm 5
Aug. 21 Light rain shower
Light rain shower
 19° /16° 25.3 mm 1
Aug. 22 Overcast
Overcast
 22° /17° 0 mm 5
Aug. 23 Sunny
Sunny
 24° /19° 0 mm 9
Aug. 24 Overcast
Overcast
 23° /19° 0 mm 9
Aug. 25 Fog
Fog
 22° /19° 0 mm 2
Aug. 26 Sunny
Sunny
 26° /19° 0 mm 8
Aug. 27 Partly cloudy
Partly cloudy
 22° /18° 0 mm 8
Aug. 28 Overcast
Overcast
 21° /16° 0 mm 8
Aug. 29 Cloudy
Cloudy
 22° /19° 0 mm 7
Aug. 30 Partly cloudy
Partly cloudy
 20° /17° 3.8 mm 8
Aug. 31 Sunny
Sunny
 21° /16° 0 mm 8
Next
Important Notice
Our weather forecast for Barnstable County in August 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 Barnstable County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Barnstable County in August - FAQ

What are the expected maximum and minimum temperatures in Barnstable County during August?

During August, expect a variety of temperatures with highs around 23° and lows near 18°, suitable for diverse activities and preferences.

How much rainfall should be expected in Barnstable County during August?

Moderate rainfall is anticipated in Barnstable County during August, with a total of 51.7 mm spread over approximately 6 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Barnstable County during August?

The average wind speed in Barnstable County during August is 22 km/h, suggesting breezy to windy conditions, depending on your activities.

August rainfall patterns in Barnstable County

Explore the daily rainfall trends and prepare for Barnstable Countys August weather 💧
Typically, Barnstable County has 6 rainy days in August with a total of 51.7 mm of rainfall.

UV exposure in Barnstable County during August

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

Quick links

More Barnstable County weather pages
You are here
Location coordinates Where is Barnstable County?

Get accurate weather forecasts for Barnstable County, located at latitude 41.653 and longitude -70.283. Stay updated with localized weather information tailored for Barnstable County.

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