Watertown climate

Watertown Weather in April

NOAA 1991-2020 normals for Jamaica Plain, 9 km from Watertown

Average highs run from 52°F on April 1 to 65°F on April 30, and lows from 33°F to 43°F. Normal precipitation for the month is 4.32 in.

April day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Watertown, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

April at a glance

Average high
59°F
Average low
38°F
Precipitation
4.32 in
Snowfall
1.6 in
Record high
93°FApr 17, 2002
Record low
6°FApr 1, 1964
Chance of a freeze
97%
Daylight
12 h 44 min to 14 h 02 min
Cloud cover
62%
Humidity
80%
Dew point
38°F
Wind
6.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Apr 152°F33°F74°F 19676°F 19647%
Apr 253°F33°F77°F 19677°F 19647%
Apr 353°F34°F79°F 201016°F 19546%
Apr 454°F34°F77°F 195015°F 19546%
Apr 554°F34°F73°F 201019°F 20166%
Apr 655°F35°F66°F 196214°F 20165%
Apr 755°F35°F89°F 201022°F 20135%
Apr 856°F35°F76°F 199922°F 19675%
Apr 956°F36°F74°F 200223°F 19504%
Apr 1056°F36°F81°F 201722°F 20034%
Apr 1157°F37°F88°F 201722°F 19504%
Apr 1257°F37°F74°F 202324°F 19673%
Apr 1358°F37°F89°F 202320°F 19673%
Apr 1458°F38°F89°F 202324°F 19593%
Apr 1559°F38°F83°F 200325°F 19663%
Apr 1659°F38°F90°F 201224°F 20053%
Apr 1760°F39°F93°F 200225°F 20032%
Apr 1860°F39°F82°F 196425°F 20032%
Apr 1961°F39°F88°F 200426°F 20012%
Apr 2061°F40°F87°F 200525°F 20262%
Apr 2161°F40°F85°F 195425°F 20262%
Apr 2262°F40°F85°F 200127°F 20112%
Apr 2362°F41°F88°F 200729°F 19651%
Apr 2463°F41°F87°F 200128°F 20021%
Apr 2563°F42°F89°F 200927°F 19501%
Apr 2663°F42°F86°F 200926°F 19671%
Apr 2764°F42°F89°F 196226°F 20021%
Apr 2864°F43°F92°F 200929°F 20161%
Apr 2964°F43°F83°F 201728°F 20061%
Apr 3065°F43°F81°F 200427°F 20061%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Watertown, in percent, and of at least 0.1 inch of snowfall.024681102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

April 1
sunrise 6:27 AM, sunset 7:11 PM
April 30
sunrise 5:41 AM, sunset 7:43 PM

Every day of April: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00193890 (Jamaica Plain), public domain. Records: NOAA GHCN-Daily, station USW00014702, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.