Watertown, MA weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Watertown now
Loading the National Weather Service forecast…
Watertown weather by the hour
Watertown weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Watertown.
This week in Watertown
Sunrise, sunset and moon in Watertown
What is the weather usually like in Watertown?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 85°F average high
- Januarycoldest month · 20°F average low
- 49.4 inprecipitation per year · 1,254 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Watertown: May–June and August–September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station JAMAICA PLAIN, MA US (USC00193890), adjusted for the elevation of Watertown.
Watertown weather month by month
Sunrise and sunset in Watertown through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:09 AM | 4:38 PM | 9 h 29 min |
| February | 6:39 AM | 5:18 PM | 10 h 39 min |
| March | 6:54 AM | 6:52 PM | 11 h 57 min |
| April | 6:01 AM | 7:27 PM | 13 h 25 min |
| May | 5:21 AM | 8:00 PM | 14 h 39 min |
| June | 5:05 AM | 8:25 PM | 15 h 19 min |
| July | 5:19 AM | 8:21 PM | 15 h 1 min |
| August | 5:50 AM | 7:47 PM | 13 h 56 min |
| September | 6:23 AM | 6:56 PM | 12 h 32 min |
| October | 6:56 AM | 6:04 PM | 11 h 7 min |
| November | 6:34 AM | 4:24 PM | 9 h 50 min |
| December | 7:05 AM | 4:14 PM | 9 h 9 min |
Times for the 15th of each month, local time (America/New York).
What is the weather like in Watertown?
Watertown has a hot-summer humid continental climate. The warmest month is July, with an average high of 85°F (29°C), and the coldest is January, with average lows of 20°F (-7°C).
It gets about 49.4 inches (1,254 mm) of precipitation a year. The wettest month is December and the driest is July.
The best time to visit Watertown is May–June and August–September. At 36 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 Watertown
Weather in towns near Watertown
Questions about the weather in Watertown
What is the hottest month in Watertown?
July, with an average high of 85°F (29°C).
What is the coldest month in Watertown?
January, with an average low of 20°F (-7°C).
How much does it rain in Watertown?
About 49.4 inches (1,254 mm) a year; the wettest month is December.
Does it snow in Watertown?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Watertown?
May–June and August–September, when temperatures are most pleasant and rainy days are fewer.
What climate does Watertown have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Watertown in November?
Highs average 53°F and lows 34°F, with about 4.0 inches of precipitation.
What time is sunrise in Watertown?
Around 6:34 AM in mid-November, and sunset around 4:24 PM. Today’s exact times are shown above.
Where does this Watertown weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Watertown.
Last updated: