Newark weather in August: Newark, New Jersey: normal highs, lows, rain and records for August
Newark in August has a normal high of 85°F and a normal low of 68°F, a daily mean of 76°F, falling from 86°F on the 1st to 83°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 4.15 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 20°C, 105 mm of precipitation in August.
- NOAA stationNewark Liberty International Airport
- Station IDUSW00014734
- Location40.68°N 74.17°W
- Elevation7 ft (2 m)
- From the center3 miles
- Population317,303
- Jan 40° 26°
- Feb 43° 27°
- Mar 51° 34°
- Apr 63° 44°
- May 73° 54°
- Jun 82° 64°
- Jul 87° 69°
- Aug 85° 68°
- Sep 78° 61°
- Oct 66° 49°
- Nov 55° 39°
- Dec 45° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Newark in August?
The normal high is 85°F and the normal low 68°F, for a daily mean of 76.4°F. August is 1.8°F cooler than July and 7.2°F warmer than September. August is the 2nd warmest month of the year in Newark and the 3rd wettest. Across the month the normal high falls 3°F, from 86°F on August 1 to 83°F on August 31. From one year to the next August's mean temperature typically moves about 2.1°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 74°F and 79°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 | 86°F | 70°F | 34% | 22% |
| August 8 | 86°F | 69°F | 33% | 22% |
| August 15 | 85°F | 68°F | 32% | 22% |
| August 22 | 84°F | 67°F | 30% | 20% |
| August 31 | 83°F | 66°F | 28% | 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 | 86°F | 70°F | 34% | 22% | 14 h 20 min |
| August 2 | 86°F | 70°F | 34% | 22% | 14 h 20 min |
| August 3 | 86°F | 69°F | 34% | 22% | 14 h 20 min |
| August 4 | 86°F | 69°F | 34% | 22% | 14 h 20 min |
| August 5 | 86°F | 69°F | 34% | 22% | 14 h 10 min |
| August 6 | 86°F | 69°F | 34% | 22% | 14 h 10 min |
| August 7 | 86°F | 69°F | 33% | 22% | 14 h 10 min |
| August 8 | 86°F | 69°F | 33% | 22% | 14 h 10 min |
| August 9 | 86°F | 69°F | 33% | 22% | 14 h |
| August 10 | 86°F | 69°F | 33% | 22% | 14 h |
| August 11 | 85°F | 69°F | 33% | 22% | 14 h |
| August 12 | 85°F | 69°F | 33% | 22% | 14 h |
| August 13 | 85°F | 69°F | 33% | 22% | 14 h |
| August 14 | 85°F | 69°F | 32% | 22% | 13 h 50 min |
| August 15 | 85°F | 68°F | 32% | 22% | 13 h 50 min |
| August 16 | 85°F | 68°F | 32% | 22% | 13 h 50 min |
| August 17 | 85°F | 68°F | 32% | 21% | 13 h 50 min |
| August 18 | 85°F | 68°F | 31% | 21% | 13 h 40 min |
| August 19 | 85°F | 68°F | 31% | 21% | 13 h 40 min |
| August 20 | 84°F | 68°F | 31% | 21% | 13 h 40 min |
| August 21 | 84°F | 68°F | 30% | 21% | 13 h 40 min |
| August 22 | 84°F | 67°F | 30% | 20% | 13 h 30 min |
| August 23 | 84°F | 67°F | 30% | 20% | 13 h 30 min |
| August 24 | 84°F | 67°F | 29% | 20% | 13 h 30 min |
| August 25 | 84°F | 67°F | 29% | 20% | 13 h 30 min |
| August 26 | 84°F | 67°F | 29% | 19% | 13 h 20 min |
| August 27 | 83°F | 67°F | 29% | 19% | 13 h 20 min |
| August 28 | 83°F | 66°F | 28% | 19% | 13 h 20 min |
| August 29 | 83°F | 66°F | 28% | 19% | 13 h 20 min |
| August 30 | 83°F | 66°F | 28% | 19% | 13 h 10 min |
| August 31 | 83°F | 66°F | 28% | 19% | 13 h 10 min |
- Normal high
- 85°FAugust average
- Normal low
- 68°FAugust average
- Precipitation
- 4.15 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 14 h 20 min to 13 h 10 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 26
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014734; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Newark in August?
On a given August day the chance of 0.01 inch or more is 31% on average, highest around August 1 (34%). In all, 4.15 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Newark, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014734.
How humid and windy is Newark in August?
At 3 p.m. the normal temperature is 81°F with 49% relative humidity and a dew point of 60°F; at 6 a.m. it is 68°F with 79% humidity. The wind averages 8.6 mph, most often from the south-southwest in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 68°F | 61°F | 79% | 7.1 mph | 35% |
| 9 a.m. | 75°F | 61°F | 63% | 8.8 mph | 37% |
| noon | 80°F | 60°F | 50% | 9.5 mph | 22% |
| 3 p.m. | 81°F | 60°F | 49% | 10.8 mph | 17% |
| 6 p.m. | 78°F | 61°F | 55% | 10.1 mph | 25% |
| 9 p.m. | 74°F | 62°F | 66% | 8.3 mph | 43% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014734. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in Newark?
The warmest August temperature on Newark's official record (since 1843) is 105°F, on August 7, 1918; the coldest is 45°F, on August 29, 1982. The wettest August brought 22.48 in (1843).
The August mean against the 1991-2020 normal of 76.4°F: 2021 80.0°F (+3.5), 2022 80.5°F (+4.1), 2023 76.7°F (+0.3), 2024 77.0°F (+0.5), 2025 74.5°F (−1.9), 2026 77.3°F (+0.9). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 80.0°F | +3.5°F | 7.19 in |
| 2022 | 80.5°F | +4.1°F | 1.92 in |
| 2023 | 76.7°F | +0.3°F | 4.27 in |
| 2024 | 77.0°F | +0.5°F | 6.69 in |
| 2025 | 74.5°F | −1.9°F | 2.20 in |
| 2026 | 77.3°F | +0.9°F | 10.19 in |
Source: records: ACIS, NWS threaded record EWRthr; recent months: ACIS, station USW00014734. Records and recent months use complete months only.
How does August in Newark compare across New Jersey?
Across the 33 places PlainClimate covers in New Jersey, August normal highs run from 82°F in Andover to 87°F in Lambertville; Newark's is 85°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.