Morristown weather in August: Morristown, Tennessee: normal highs, lows, rain and records for August
Morristown in August has a normal high of 86°F and a normal low of 65°F, a daily mean of 75°F, falling from 86°F on the 1st to 84°F by the 31st. Measurable precipitation falls on 10 days in a normal August, 3.33 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 18°C, 85 mm of precipitation in August.
- NOAA stationMorristown Radio WCRK
- Station IDUSC00406271
- Location36.21°N 83.33°W
- Elevation1,344 ft (410 m)
- Population32,994
- Jan 46° 27°
- Feb 51° 30°
- Mar 60° 36°
- Apr 69° 45°
- May 77° 55°
- Jun 83° 63°
- Jul 86° 67°
- Aug 86° 65°
- Sep 81° 59°
- Oct 70° 47°
- Nov 59° 36°
- Dec 49° 31°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Morristown in August?
The normal high is 86°F and the normal low 65°F, for a daily mean of 75.4°F. August is 1.2°F cooler than July and 5.8°F warmer than September. August is the 2nd warmest month of the year in Morristown and the 10th wettest. Across the month the normal high falls 2°F, from 86°F on August 1 to 84°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 73°F and 77°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 37%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 86°F | 67°F | 37% | 25% |
| August 8 | 86°F | 66°F | 35% | 23% |
| August 15 | 86°F | 66°F | 34% | 21% |
| August 22 | 85°F | 65°F | 32% | 20% |
| August 31 | 84°F | 63°F | 30% | 18% |
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 | 67°F | 37% | 25% | 14 h |
| August 2 | 86°F | 67°F | 37% | 24% | 14 h |
| August 3 | 86°F | 67°F | 37% | 24% | 14 h |
| August 4 | 86°F | 67°F | 36% | 24% | 14 h |
| August 5 | 86°F | 67°F | 36% | 23% | 13 h 50 min |
| August 6 | 86°F | 66°F | 36% | 23% | 13 h 50 min |
| August 7 | 86°F | 66°F | 36% | 23% | 13 h 50 min |
| August 8 | 86°F | 66°F | 35% | 23% | 13 h 50 min |
| August 9 | 86°F | 66°F | 35% | 23% | 13 h 50 min |
| August 10 | 86°F | 66°F | 35% | 22% | 13 h 40 min |
| August 11 | 86°F | 66°F | 35% | 22% | 13 h 40 min |
| August 12 | 86°F | 66°F | 35% | 22% | 13 h 40 min |
| August 13 | 86°F | 66°F | 34% | 22% | 13 h 40 min |
| August 14 | 86°F | 66°F | 34% | 22% | 13 h 40 min |
| August 15 | 86°F | 66°F | 34% | 21% | 13 h 30 min |
| August 16 | 86°F | 65°F | 34% | 21% | 13 h 30 min |
| August 17 | 86°F | 65°F | 33% | 21% | 13 h 30 min |
| August 18 | 86°F | 65°F | 33% | 21% | 13 h 30 min |
| August 19 | 86°F | 65°F | 33% | 21% | 13 h 30 min |
| August 20 | 86°F | 65°F | 33% | 20% | 13 h 20 min |
| August 21 | 85°F | 65°F | 32% | 20% | 13 h 20 min |
| August 22 | 85°F | 65°F | 32% | 20% | 13 h 20 min |
| August 23 | 85°F | 64°F | 32% | 20% | 13 h 20 min |
| August 24 | 85°F | 64°F | 31% | 19% | 13 h 20 min |
| August 25 | 85°F | 64°F | 31% | 19% | 13 h 10 min |
| August 26 | 85°F | 64°F | 31% | 19% | 13 h 10 min |
| August 27 | 85°F | 64°F | 31% | 19% | 13 h 10 min |
| August 28 | 85°F | 64°F | 30% | 19% | 13 h 10 min |
| August 29 | 85°F | 63°F | 30% | 18% | 13 h 10 min |
| August 30 | 84°F | 63°F | 30% | 18% | 13 h |
| August 31 | 84°F | 63°F | 30% | 18% | 13 h |
- Normal high
- 86°FAugust average
- Normal low
- 65°FAugust average
- Precipitation
- 3.33 inmonth total
- Days with precipitation
- 100.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 14 h to 13 hAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 28
- Sunshine
- 79%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00406271; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Morristown in August?
On a given August day the chance of 0.01 inch or more is 33% on average, highest around August 1 (37%). In all, 3.33 in falls on 10 days of a normal August, 1 of them with an inch or more.
In a normal August in Morristown, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00406271.
What are the records for August in Morristown?
The August mean against the 1991-2020 normal of 75.4°F: 2021 76.8°F (+1.4), 2026 77.1°F (+1.7). 2 of 2 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.8°F | +1.4°F | 9.49 in |
| 2026 | 77.1°F | +1.7°F | 3.14 in |
Source: recent months: ACIS, station USC00406271. Records and recent months use complete months only.
How does August in Morristown compare across Tennessee?
Across the 116 places PlainClimate covers in Tennessee, August normal highs run from 78°F in Roan Mountain to 92°F in Memphis; Morristown's is 86°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.