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Barnstable County (Hyannis)
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United States weather

Weather in Barnstable County, Massachusetts for June 2026

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

    Official Weather Alert ⚠️

  • Gale Watch - See hour by hour.

    • Temperatures

  • Until now, June 2026 in Barnstable County has been nearly identical to the historical average, with a temperature of 24.4 °C (showing only a slight deviation of 0.3 °C).

  • The forecast for the next days in Barnstable County predicts temperatures to be around 23 °C, close to the historical average.

  • In general, the average temperature in Barnstable County at the beginning of June is 22.4 °C. As the month progressed, temperatures tended to moderately rise, reaching an average of 23.9 °C by the end of June.

    • Rain 🌧️

  • Barnstable County experiences moderate rainfall in June, with an average of 9 rainy days and a total precipitation of 51.6 mm.

    • More

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

Average dry days
21
Dry days
Average rainy days
9
Rainy days
Average snowy days
0
Snow days
Average temperatures
23°/16°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
79 %
Avg humidity

Barnstable County Weather June

Move between months or click on a day
May
July
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Patchy rain possible
13°
2
Sunny
19°
3
Sunny
23°
4
Sunny
23°
5
Sunny
29°
6
Sunny
24°
7
Patchy rain possible
26°
8
Sunny
22°
9
Sunny
25°
10
Sunny
25°
11
Moderate rain at times
27°
12
Patchy rain possible
29°
13
Sunny
29°
14
Sunny
28°
15
Moderate or heavy rain shower
25°
16
Overcast
19°
17
Overcast
21°
18
Weather Alert Patchy rain possible
22°
19
Sunny
23°
20
Sunny
23°
21
Sunny
22°
22
Heavy rain
21°
23
Sunny
21°
24
Sunny
22°
25
Sunny
22°
26
Sunny
23°
27
Patchy rain possible
25°
28
Patchy rain possible
26°
29
Fog
25°
30
Sunny
24°

Temperatures trend during June in Barnstable County

See the weather trend as well as the moving average line

June weather in Barnstable County day by day

Click on a date for more information
May July
Date Weather Temperatures Rain UV More
Jun. 1 Patchy rain possible
Patchy rain possible
 13° /10° 0.3 mm 6
Jun. 2 Sunny
Sunny
 19° /6° 0 mm 11
Jun. 3 Sunny
Sunny
 23° /11° 0 mm 11
Jun. 4 Sunny
Sunny
 23° /12° 0 mm 11
Jun. 5 Sunny
Sunny
 29° /13° 0 mm 11
Jun. 6 Sunny
Sunny
 24° /15° 0 mm 11
Jun. 7 Patchy rain possible
Patchy rain possible
 26° /14° 1.5 mm 10
Jun. 8 Sunny
Sunny
 22° /12° 0 mm 11
Jun. 9 Sunny
Sunny
 25° /13° 0 mm 11
Jun. 10 Sunny
Sunny
 25° /15° 0 mm 11
Jun. 11 Moderate rain at times
Moderate rain at times
 27° /17° 1.6 mm 8
Jun. 12 Patchy rain possible
Patchy rain possible
 29° /19° 0.6 mm 11
Jun. 13 Sunny
Sunny
 29° /20° 0 mm 11
Jun. 14 Sunny
Sunny
 28° /17° 0 mm 11
Jun. 15 Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /18° 15.5 mm 10
Jun. 16 Overcast
Overcast
 19° /14° 0 mm 7
Jun. 17 Overcast
Overcast
 21° /14° 0 mm 7
Jun. 18 Patchy rain possible
Patchy rain possible
 22° /16° 0.5 mm 4.9
Jun. 19 Sunny
Sunny
 23° /18° 0 mm 8.8
Jun. 20 Sunny
Sunny
 23° /17° 0 mm 8.4
Jun. 21 Sunny
Sunny
 22° /16° 0 mm 8.1
Jun. 22 Heavy rain
Heavy rain
 21° /16° 47.2 mm 0.1
Jun. 23 Sunny
Sunny
 21° /16° 0 mm 5
Jun. 24 Sunny
Sunny
 22° /18° 0 mm 5
Jun. 25 Sunny
Sunny
 22° /17° 0 mm 5
Jun. 26 Sunny
Sunny
 23° /19° 0 mm 6
Jun. 27 Patchy rain possible
Patchy rain possible
 25° /20° 0.4 mm 5
Jun. 28 Patchy rain possible
Patchy rain possible
 26° /20° 1.3 mm 5
Jun. 29 Fog
Fog
 25° /20° 0 mm 5
Jun. 30 Sunny
Sunny
 24° /21° 0 mm 6
Next
Important Notice
Our weather forecast for Barnstable County in June 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.
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Barnstable County in June - FAQ

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

During June, expect a variety of temperatures with highs around 23° and lows near 16°, suitable for diverse activities and preferences.

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

Moderate rainfall is anticipated in Barnstable County during June, with a total of 51.6 mm spread over approximately 9 days. Considering plans for rainy days is advisable.

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

The average wind speed in Barnstable County during June is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

June rainfall patterns in Barnstable County

Explore the daily rainfall trends and prepare for Barnstable Countys June weather 💧
Typically, Barnstable County has 9 rainy days in June with a total of 51.6 mm of rainfall.

UV exposure in Barnstable County during June

Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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Hyannis
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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.

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