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Barnstable County (Hyannis)
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10 day weather forecast for Barnstable County

Monday, August 3rd, 2026, at 10:55 AM
today
Small Craft Advisory
Patchy rain possible
25° 22°
tomorrow
Sunny
26° 18°
Wednesday
Partly cloudy
25° 20°
Thursday
Partly cloudy
27° 23°
Friday
Sunny
29° 23°
Saturday
Partly cloudy
29° 23°
Sunday
Sunny
28° 23°
 More Details See
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Barnstable County Weather Pages

Barnstable County weather forecast

The weather forecast for Barnstable County over the next 5 days indicates wet and rainy conditions with temperatures ranging from 25 °F to 29 °F.

Rain is expected on Monday and Wednesday.

Wind speeds are expected to be strong, averaging around 45 km/h.

Weather today
Barnstable County weather forecast

Barnstable County 14 days weather forecast

This weeks weather in Barnstable County. Click on a date for detailed forecasts
Mon. 3
25°
22°
Weather Alert
Patchy rain possible
13.9 mm
Tue. 4
26°
18°
Sunny
0.1 mm
Wed. 5
25°
20°
Partly cloudy
5 mm
Thu. 6
27°
23°
Partly cloudy
0.1 mm
Fri. 7
29°
23°
Sunny
0 mm
Sat. 8
29°
23°
Partly cloudy
0.1 mm
Sun. 9
28°
23°
Sunny
0.1 mm
Mon. 10
26°
21°
Sunny
0 mm
Tue. 11
27°
21°
Sunny
4.5 mm
Wed. 12
22°
17°
Sunny
4.1 mm
Thu. 13
23°
17°
Sunny
0 mm
Fri. 14
24°
19°
Sunny
0.8 mm
Sat. 15
25°
22°
Patchy rain possible
4 mm
Sun. 16
22°
19°
Partly cloudy
1.5 mm
Further Ahead
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Access Barnstable County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Barnstable County long range weather forecast

30 day weather forecast for Barnstable County
July
September
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
24°
2
Partly cloudy
25°
3
Weather Alert Patchy rain possible
25°
4
Sunny
26°
5
Partly cloudy
25°
6
Partly cloudy
27°
7
Sunny
29°
8
Partly cloudy
29°
9
Sunny
28°
10
Sunny
26°
11
Sunny
27°
12
Sunny
22°
13
Sunny
23°
14
Sunny
24°
15
Patchy rain possible
25°
16
Partly cloudy
22°
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°
Important Notice
Our Barnstable County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Barnstable County

The chart displays the expected rainfall values (in mm) over the next 14 days in Barnstable County, highlighting variations in precipitation levels for specific dates. ☔

Barnstable County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Barnstable County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

Frequently asked questions about the weather in Barnstable County

How warm is it in Barnstable County over the next 14 days?
Over the next two weeks, temperatures in Barnstable County are expected to range from around 17 °F on the coldest nights up to about 29 °F on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Barnstable County in the next two weeks?
Yes - rain is expected on about 12 of the next 14 days in Barnstable County, with roughly 34 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Barnstable County?
Maximum wind speeds in Barnstable County are forecast to reach about 45 km/h at their peak over the next 14 days.

When is the best time to visit Barnstable County?
For a month-by-month look at temperatures and rainfall, see our best time to visit Barnstable County guide.

How accurate is the 14-day forecast for Barnstable County?
Our Barnstable County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.

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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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