Onset, MA weather

Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month

Weather in Onset now

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Onset weather by the hour

Onset weather for the next 7 days

Source: National Weather Service (NOAA) · forecast for the coordinates of Onset.

This week in Onset

Sunrise, sunset and moon in Onset

What is the weather usually like in Onset?

Dfa
Hot-summer humid continental climate
Köppen climate classification, calculated from the 1991–2020 normals

Average high and low temperature (°F)

17°34°52°69°86°39°22°Jan41°22°Feb46°28°Mar56°37°Apr66°48°May75°57°Jun81°64°Jul80°63°Aug73°55°Sep63°44°Oct53°35°Nov44°27°Dec

Average precipitation (inches)

4.2"Jan3.7"Feb5.6"Mar4.6"Apr3.8"May3.7"Jun3.1"Jul3.6"Aug4.5"Sep5.0"Oct4.4"Nov5.0"Dec

Best time to visit Onset: June to September, with mild temperatures and fewer rainy days.

Source: NOAA NCEI U.S. Climate Normals 1991–2020, station E WAREHAM, MA US (USC00192451), adjusted for the elevation of Onset.

Onset weather month by month

January
39° 22°F
4.2 in of rain · 8 wet days❄ 12.9 in of snow
February
41° 22°F
3.7 in of rain · 7 wet days❄ 9.2 in of snow
March
46° 28°F
5.6 in of rain · 7 wet days❄ 7.3 in of snow
April
56° 37°F
4.6 in of rain · 7 wet days❄ 1.3 in of snow
May
66° 48°F
3.8 in of rain · 7 wet days
June
75° 57°F
3.7 in of rain · 6 wet days
July
81° 64°F
3.1 in of rain · 5 wet days
August
80° 63°F
3.6 in of rain · 6 wet days
September
73° 55°F
4.5 in of rain · 6 wet days
October
63° 44°F
5.0 in of rain · 7 wet days
November
53° 35°F
4.4 in of rain · 7 wet days❄ 0.2 in of snow
December
44° 27°F
5.0 in of rain · 9 wet days❄ 6.3 in of snow

Sunrise and sunset in Onset through the year

MonthSunriseSunsetDaylight
January7:05 AM4:38 PM9 h 32 min
February6:36 AM5:17 PM10 h 41 min
March6:52 AM6:50 PM11 h 57 min
April6:00 AM7:24 PM13 h 24 min
May5:20 AM7:57 PM14 h 36 min
June5:05 AM8:20 PM15 h 15 min
July5:19 AM8:17 PM14 h 57 min
August5:49 AM7:44 PM13 h 54 min
September6:21 AM6:53 PM12 h 32 min
October6:53 AM6:03 PM11 h 9 min
November6:30 AM4:23 PM9 h 53 min
December7:01 AM4:14 PM9 h 13 min

Times for the 15th of each month, local time (America/New York).

What is the weather like in Onset?

Onset has a hot-summer humid continental climate. The warmest month is July, with an average high of 81°F (27°C), and the coldest is January, with average lows of 22°F (-6°C).

It gets about 51.1 inches (1,299 mm) of precipitation a year. The wettest month is March and the driest is July. Snow is common: about 37 inches fall in an average year.

The best time to visit Onset is June to September. At 10 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.

More about Onset

Weather in towns near Onset

Questions about the weather in Onset

What is the hottest month in Onset?

July, with an average high of 81°F (27°C).

What is the coldest month in Onset?

January, with an average low of 22°F (-6°C).

How much does it rain in Onset?

About 51.1 inches (1,299 mm) a year; the wettest month is March.

Does it snow in Onset?

Yes, about 37 inches of snow fall in an average year.

When is the best time to visit Onset?

June to September, when temperatures are most pleasant and rainy days are fewer.

What climate does Onset have?

Hot-summer humid continental (Köppen Dfa).

What is the weather like in Onset in November?

Highs average 53°F and lows 35°F, with about 4.4 inches of precipitation.

What time is sunrise in Onset?

Around 6:30 AM in mid-November, and sunset around 4:23 PM. Today’s exact times are shown above.

Where does this Onset weather forecast come from?

From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Onset.

All about Onset ›

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