Lowell weather in August: Lowell, Massachusetts: normal highs, lows, rain and records for August
Lowell in August has a normal high of 83°F and a normal low of 59°F, a daily mean of 71°F, falling from 84°F on the 1st to 81°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.00 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 28°C and low of 15°C, 102 mm of precipitation in August.
- NOAA stationLowell
- Station IDUSC00194313
- Location42.64°N 71.36°W
- Elevation110 ft (34 m)
- From the center2 miles
- Population120,418
- Jan 34° 16°
- Feb 37° 17°
- Mar 45° 24°
- Apr 59° 35°
- May 70° 45°
- Jun 79° 55°
- Jul 85° 61°
- Aug 83° 59°
- Sep 76° 52°
- Oct 62° 40°
- Nov 51° 30°
- Dec 40° 22°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Lowell in August?
The normal high is 83°F and the normal low 59°F, for a daily mean of 71.1°F. August is 1.7°F cooler than July and 7.6°F warmer than September. August is the 2nd warmest month of the year in Lowell and the 6th wettest. Across the month the normal high falls 3°F, from 84°F on August 1 to 81°F on August 31. From one year to the next August's mean temperature typically moves about 2.0°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 69°F and 73°F.
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 34%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 84°F | 61°F | 34% | 24% |
| August 8 | 84°F | 60°F | 33% | 23% |
| August 15 | 83°F | 60°F | 32% | 22% |
| August 22 | 83°F | 59°F | 30% | 21% |
| August 31 | 81°F | 57°F | 29% | 19% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 84°F | 61°F | 34% | 24% | 14 h 30 min |
| August 2 | 84°F | 61°F | 34% | 24% | 14 h 30 min |
| August 3 | 84°F | 61°F | 34% | 24% | 14 h 30 min |
| August 4 | 84°F | 61°F | 34% | 24% | 14 h 20 min |
| August 5 | 84°F | 61°F | 34% | 24% | 14 h 20 min |
| August 6 | 84°F | 61°F | 34% | 24% | 14 h 20 min |
| August 7 | 84°F | 61°F | 34% | 23% | 14 h 20 min |
| August 8 | 84°F | 60°F | 33% | 23% | 14 h 20 min |
| August 9 | 84°F | 60°F | 33% | 23% | 14 h 10 min |
| August 10 | 84°F | 60°F | 33% | 23% | 14 h 10 min |
| August 11 | 84°F | 60°F | 33% | 23% | 14 h 10 min |
| August 12 | 84°F | 60°F | 33% | 23% | 14 h 10 min |
| August 13 | 84°F | 60°F | 33% | 23% | 14 h |
| August 14 | 83°F | 60°F | 32% | 22% | 14 h |
| August 15 | 83°F | 60°F | 32% | 22% | 14 h |
| August 16 | 83°F | 60°F | 32% | 22% | 14 h |
| August 17 | 83°F | 59°F | 32% | 22% | 13 h 50 min |
| August 18 | 83°F | 59°F | 32% | 22% | 13 h 50 min |
| August 19 | 83°F | 59°F | 31% | 21% | 13 h 50 min |
| August 20 | 83°F | 59°F | 31% | 21% | 13 h 50 min |
| August 21 | 83°F | 59°F | 31% | 21% | 13 h 40 min |
| August 22 | 83°F | 59°F | 30% | 21% | 13 h 40 min |
| August 23 | 82°F | 59°F | 30% | 20% | 13 h 40 min |
| August 24 | 82°F | 58°F | 30% | 20% | 13 h 30 min |
| August 25 | 82°F | 58°F | 30% | 20% | 13 h 30 min |
| August 26 | 82°F | 58°F | 29% | 20% | 13 h 30 min |
| August 27 | 82°F | 58°F | 29% | 19% | 13 h 30 min |
| August 28 | 82°F | 58°F | 29% | 19% | 13 h 20 min |
| August 29 | 81°F | 57°F | 29% | 19% | 13 h 20 min |
| August 30 | 81°F | 57°F | 29% | 19% | 13 h 20 min |
| August 31 | 81°F | 57°F | 29% | 19% | 13 h 20 min |
- Normal high
- 83°FAugust average
- Normal low
- 59°FAugust average
- Precipitation
- 4.00 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 5
- Daylight
- 14 h 30 min to 13 h 20 minAugust 1 to August 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 22
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00194313; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Lowell in August?
On a given August day the chance of 0.01 inch or more is 32% on average, highest around August 1 (34%). In all, 4.00 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Lowell, 5 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00194313.
What are the records for August in Lowell?
The warmest August temperature on this station's record (since 1885) is 103°F, on August 26, 1948; the coldest is 38°F, on August 31, 1965. The wettest August brought 12.90 in (2011).
The August mean against the 1991-2020 normal of 71.1°F: 2021 73.8°F (+2.7), 2023 70.4°F (−0.7), 2024 71.1°F (at normal), 2025 70.0°F (−1.1). 1 of 4 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 73.8°F | +2.7°F | 3.88 in |
| 2023 | 70.4°F | −0.7°F | 6.84 in |
| 2024 | 71.1°F | at normal | 5.98 in |
| 2025 | 70.0°F | −1.1°F | 2.57 in |
Source: records: ACIS, station USC00194313; recent months: ACIS, station USC00194313. Records and recent months use complete months only.
How does August in Lowell 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; Lowell's is 83°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.