Worcester weather in August: Worcester, Massachusetts: normal highs, lows, rain and records for August

Worcester in August has a normal high of 78°F and a normal low of 61°F, a daily mean of 69°F, falling from 80°F on the 1st to 76°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.14 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 26°C and low of 16°C, 105 mm of precipitation in August.

  • NOAA stationWorcester Regional Airport
  • Station IDUSW00094746
  • Location42.27°N 71.87°W
  • Elevation1,000 ft (305 m)
  • From the center3 miles
  • Population211,286
  1. Jan 32° 17°
  2. Feb 35° 19°
  3. Mar 43° 26°
  4. Apr 56° 37°
  5. May 67° 47°
  6. Jun 75° 56°
  7. Jul 80° 62°
  8. Aug 78° 61°
  9. Sep 71° 53°
  10. Oct 59° 42°
  11. Nov 48° 33°
  12. Dec 38° 23°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Worcester in August?

The normal high is 78°F and the normal low 61°F, for a daily mean of 69.3°F. August is 1.5°F cooler than July and 7.4°F warmer than September. August is the 2nd warmest month of the year in Worcester and the 6th wettest. Across the month the normal high falls 4°F, from 80°F on August 1 to 76°F on August 31. From one year to the next August's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 68°F and 71°F.

Worcester in August, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 36%).

Normal high and low on five days of August, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
August 180°F62°F36%22%
August 879°F62°F35%21%
August 1578°F61°F34%21%
August 2278°F60°F32%19%
August 3176°F58°F30%18%
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
Worcester: NOAA 1991-2020 daily normals for each day of August
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
August 180°F62°F36%22%14 h 30 min
August 280°F62°F36%22%14 h 30 min
August 380°F62°F36%22%14 h 20 min
August 479°F62°F36%22%14 h 20 min
August 579°F62°F36%22%14 h 20 min
August 679°F62°F36%22%14 h 20 min
August 779°F62°F36%22%14 h 20 min
August 879°F62°F35%21%14 h 10 min
August 979°F61°F35%21%14 h 10 min
August 1079°F61°F35%21%14 h 10 min
August 1179°F61°F35%21%14 h 10 min
August 1279°F61°F35%21%14 h
August 1379°F61°F35%21%14 h
August 1479°F61°F34%21%14 h
August 1578°F61°F34%21%14 h
August 1678°F61°F34%20%13 h 50 min
August 1778°F61°F33%20%13 h 50 min
August 1878°F61°F33%20%13 h 50 min
August 1978°F60°F33%20%13 h 50 min
August 2078°F60°F32%20%13 h 40 min
August 2178°F60°F32%19%13 h 40 min
August 2278°F60°F32%19%13 h 40 min
August 2377°F60°F31%19%13 h 40 min
August 2477°F60°F31%19%13 h 30 min
August 2577°F59°F31%19%13 h 30 min
August 2677°F59°F30%19%13 h 30 min
August 2777°F59°F30%19%13 h 30 min
August 2877°F59°F30%18%13 h 20 min
August 2976°F59°F30%18%13 h 20 min
August 3076°F58°F30%18%13 h 20 min
August 3176°F58°F30%18%13 h 10 min
Normal high
78°FAugust average
Normal low
61°FAugust average
Precipitation
4.14 inmonth total
Days with precipitation
100.01 inch or more
Days at 90°F or more
1
Daylight
14 h 30 min to 13 h 10 minAugust 1 to August 31
Days at 70°F or more
28
Days at 80°F or more
13
Sunshine
78%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00094746; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Worcester in August?

On a given August day the chance of 0.01 inch or more is 33% on average, highest around August 1 (36%). In all, 4.14 in falls on 10 days of a normal August, 1 of them with an inch or more.

In a normal August in Worcester, 1 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00094746.

What are the records for August in Worcester?

The warmest August temperature on Worcester's official record (since 1892) is 99°F, on August 12, 1944; the coldest is 38°F, on August 29, 1941. The wettest August brought 18.68 in (1955).

The August mean against the 1991-2020 normal of 69.3°F: 2021 72.5°F (+3.2), 2022 73.8°F (+4.5), 2023 68.9°F (−0.4), 2024 69.6°F (+0.3), 2025 67.8°F (−1.5), 2026 70.7°F (+1.4). 4 of 6 ran warmer than normal.

Worcester: August in recent years against the 1991-2020 normal
AugustMeanAgainst normalPrecip.
202172.5°F+3.2°F5.42 in
202273.8°F+4.5°F2.91 in
202368.9°F−0.4°F5.88 in
202469.6°F+0.3°F3.98 in
202567.8°F−1.5°F1.94 in
202670.7°F+1.4°F2.71 in

Source: records: ACIS, NWS threaded record ORHthr; recent months: ACIS, station USW00094746. Records and recent months use complete months only.

How does August in Worcester compare across Massachusetts?

Across the 35 places PlainClimate covers in Massachusetts, August normal highs run from 76°F in East Sandwich to 85°F in Maynard; Worcester's is 78°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places