Weather & Climate
7-day forecasts for every city and town we cover, plus highland spots — updated 3:30 AM EDT.
Live weather radar — Tri-Cities
NWS Morristown (KMRX) — Sullivan, Washington, Hawkins, Greene & surrounding counties. Updates every few minutes.
Interactive radar (zoom & layers) → · Active NWS hazards → · NWS Morristown
Traffic cameras & live data (external):
- TDOT SmartWay traffic cameras — I-26, I-81, Kingsport & Johnson City corridors
- Virginia 511 cameras — Bristol Hwy & I-81 crossings
- Tri-Cities Airport (KTRI) live observations
Counties we cover
Tennessee: Washington, Sullivan, Carter, Unicoi, Hawkins, Greene, Hancock, Johnson · Virginia: Scott, Washington, City of Bristol
Elevation & highlands
Roan Mountain
State park — typically 8–12°F cooler than valley cities
🌤️ 66° / 55° · 6:59 AM – 7:57 PM
Grayson Highlands
Near Mount Rogers — wild ponies and alpine meadows
⛅ 73° / 60° · 6:56 AM – 7:55 PM
Whitetop Mountain
Highest peak in Virginia — often 15°F cooler; check wind
🌤️ 69° / 58° · 6:57 AM – 7:56 PM
Natural Tunnel
Scott County gorge — cooler, wetter microclimate in the tunnel park
🌤️ 90° / 66° · 7:01 AM – 8:00 PM
Bays Mountain
City park ridge — a few degrees cooler than downtown Kingsport
☁️ 91° / 65° · 7:01 AM – 8:00 PM
Holston Mountain
Cherokee NF ridge between Bristol and the valley
🌤️ 87° / 66° · 6:59 AM – 7:58 PM
7-day forecast by city
Monday, August 31, 2026 — compare today's forecast with typical August conditions.
Johnson City
🌤️ Mostly clear — 89° / 68° · 5% rain · 7:00 AM – 7:58 PM
High 81° · Low 64° · ~0.1" precip/day
68°
72°
70°
71°
69°
68°
61°
Full year climate in Johnson City
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 45° | 29° | 13.5" |
| Feb | 55° | 36° | 15.1" |
| Mar | 60° | 39° | 10.5" |
| Apr | 69° | 49° | 9.8" |
| May | 75° | 55° | 15.4" |
| Jun | 82° | 62° | 9.2" |
| Jul | 87° | 67° | 9.4" |
| Aug | 83° | 64° | 9.6" |
| Sep | 79° | 59° | 15.9" |
| Oct | 69° | 49° | 5" |
| Nov | 59° | 41° | 7.4" |
| Dec | 51° | 33° | 10.3" |
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 64°F
- Average daily precipitation: 0.1"
- Warmest / coldest day in sample month: 89°F / 52°F
Kingsport
☁️ Overcast — 91° / 67° · 5% rain · 7:01 AM – 8:00 PM
High 82° · Low 64° · ~0.15" precip/day
67°
71°
69°
70°
69°
68°
63°
Full year climate in Kingsport
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 45° | 28° | 12.1" |
| Feb | 55° | 34° | 13.4" |
| Mar | 61° | 38° | 9.7" |
| Apr | 70° | 47° | 10.5" |
| May | 75° | 55° | 14.3" |
| Jun | 84° | 62° | 7.2" |
| Jul | 88° | 68° | 8.5" |
| Aug | 84° | 64° | 10.3" |
| Sep | 80° | 59° | 13.4" |
| Oct | 70° | 48° | 4" |
| Nov | 60° | 40° | 6.7" |
| Dec | 51° | 33° | 9.3" |
August snapshot (2025)
- Average daily high: 82°F · Average daily low: 64°F
- Average daily precipitation: 0.15"
- Warmest / coldest day in sample month: 90°F / 52°F
Bristol TN/VA
🌤️ Mostly clear — 89° / 66° · 5% rain · 6:59 AM – 7:58 PM
High 81° · Low 63° · ~0.11" precip/day
66°
70°
69°
70°
68°
67°
66°
Full year climate in Bristol
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 44° | 27° | 11.3" |
| Feb | 54° | 34° | 13.8" |
| Mar | 60° | 38° | 10.2" |
| Apr | 68° | 46° | 11" |
| May | 74° | 54° | 16.3" |
| Jun | 82° | 61° | 11.1" |
| Jul | 86° | 67° | 9.4" |
| Aug | 83° | 63° | 10.7" |
| Sep | 79° | 58° | 13.4" |
| Oct | 69° | 47° | 3.7" |
| Nov | 59° | 39° | 6.6" |
| Dec | 50° | 32° | 9.5" |
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 63°F
- Average daily precipitation: 0.11"
- Warmest / coldest day in sample month: 89°F / 53°F
Elizabethton
☀️ Clear — 89° / 69° · 5% rain · 6:59 AM – 7:58 PM
High 81° · Low 63° · ~0.13" precip/day
69°
73°
70°
71°
69°
68°
65°
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 63°F
- Average daily precipitation: 0.13"
- Warmest / coldest day in sample month: 89°F / 51°F
Jonesborough
🌤️ Mostly clear — 87° / 68° · 5% rain · 7:00 AM – 7:59 PM
High 81° · Low 64° · ~0.14" precip/day
68°
72°
69°
70°
68°
68°
61°
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 64°F
- Average daily precipitation: 0.14"
- Warmest / coldest day in sample month: 89°F / 52°F
Greeneville
🌤️ Mostly clear — 90° / 67° · 5% rain · 7:02 AM – 8:00 PM
High 82° · Low 65° · ~0.12" precip/day
67°
72°
70°
70°
70°
69°
61°
August snapshot (2025)
- Average daily high: 82°F · Average daily low: 65°F
- Average daily precipitation: 0.12"
- Warmest / coldest day in sample month: 90°F / 53°F
Erwin
☀️ Clear — 88° / 68° · 5% rain · 7:00 AM – 7:59 PM
High 80° · Low 64° · ~0.12" precip/day
68°
73°
71°
71°
70°
70°
62°
August snapshot (2025)
- Average daily high: 80°F · Average daily low: 64°F
- Average daily precipitation: 0.12"
- Warmest / coldest day in sample month: 86°F / 53°F
Piney Flats
☀️ Clear — 87° / 66° · 5% rain · 7:00 AM – 7:58 PM
High 81° · Low 63° · ~0.13" precip/day
66°
71°
70°
70°
68°
67°
65°
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 63°F
- Average daily precipitation: 0.13"
- Warmest / coldest day in sample month: 89°F / 51°F
Gray
🌤️ Mostly clear — 89° / 66° · 5% rain · 7:00 AM – 7:59 PM
High 81° · Low 64° · ~0.16" precip/day
66°
72°
68°
69°
68°
67°
61°
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 64°F
- Average daily precipitation: 0.16"
- Warmest / coldest day in sample month: 88°F / 53°F
Bluff City
🌤️ Mostly clear — 88° / 65° · 5% rain · 6:59 AM – 7:58 PM
High 81° · Low 63° · ~0.14" precip/day
65°
70°
69°
70°
68°
67°
63°
August snapshot (2025)
- Average daily high: 81°F · Average daily low: 63°F
- Average daily precipitation: 0.14"
- Warmest / coldest day in sample month: 89°F / 52°F
Church Hill
🌤️ Mostly clear — 90° / 67° · 5% rain · 7:01 AM – 8:00 PM
High 82° · Low 64° · ~0.11" precip/day
67°
72°
69°
70°
69°
68°
62°
August snapshot (2025)
- Average daily high: 82°F · Average daily low: 64°F
- Average daily precipitation: 0.11"
- Warmest / coldest day in sample month: 89°F / 51°F
Blountville
🌤️ Mostly clear — 88° / 67° · 5% rain · 7:00 AM – 7:59 PM
High 82° · Low 64° · ~0.16" precip/day
67°
70°
68°
69°
68°
67°
62°
August snapshot (2025)
- Average daily high: 82°F · Average daily low: 64°F
- Average daily precipitation: 0.16"
- Warmest / coldest day in sample month: 89°F / 53°F
Rogersville
☀️ Clear — 90° / 66° · 5% rain · 7:02 AM – 8:01 PM
High 83° · Low 65° · ~0.19" precip/day
66°
71°
70°
71°
70°
69°
63°
August snapshot (2025)
- Average daily high: 83°F · Average daily low: 65°F
- Average daily precipitation: 0.19"
- Warmest / coldest day in sample month: 93°F / 52°F
Mountain City
⛅ Partly cloudy — 84° / 65° · 5% rain · 6:58 AM – 7:56 PM
High 76° · Low 60° · ~0.1" precip/day
65°
70°
69°
69°
67°
65°
61°
Full year climate in Mountain City
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 43° | 26° | 14.8" |
| Feb | 53° | 33° | 14.2" |
| Mar | 57° | 36° | 10.6" |
| Apr | 66° | 45° | 9.7" |
| May | 70° | 52° | 12.3" |
| Jun | 78° | 59° | 9.2" |
| Jul | 83° | 64° | 10.5" |
| Aug | 79° | 61° | 11.5" |
| Sep | 76° | 56° | 11.6" |
| Oct | 66° | 45° | 4.9" |
| Nov | 56° | 37° | 6.2" |
| Dec | 48° | 30° | 9.9" |
August snapshot (2025)
- Average daily high: 76°F · Average daily low: 60°F
- Average daily precipitation: 0.1"
- Warmest / coldest day in sample month: 84°F / 50°F
Abingdon VA
🌤️ Mostly clear — 87° / 66° · 6% rain · 6:58 AM – 7:57 PM
High 80° · Low 62° · ~0.12" precip/day
66°
70°
67°
68°
67°
65°
63°
Full year climate in Abingdon VA
| Month | High | Low | Precip |
|---|---|---|---|
| Jan | 43° | 26° | 11.5" |
| Feb | 53° | 32° | 12.9" |
| Mar | 59° | 37° | 9.9" |
| Apr | 68° | 45° | 10.5" |
| May | 73° | 53° | 15.4" |
| Jun | 81° | 60° | 9.9" |
| Jul | 85° | 65° | 11.1" |
| Aug | 82° | 62° | 9.8" |
| Sep | 78° | 57° | 10.7" |
| Oct | 68° | 46° | 3.6" |
| Nov | 57° | 38° | 6.6" |
| Dec | 49° | 31° | 10.4" |
August snapshot (2025)
- Average daily high: 80°F · Average daily low: 62°F
- Average daily precipitation: 0.12"
- Warmest / coldest day in sample month: 89°F / 49°F
Considering a move? Year-round climate
Typical monthly conditions averaged across Johnson City, Kingsport, Bristol, Mountain City, Abingdon VA (2025–2023 archive). Mountain towns like Mountain City run cooler; valleys warm up faster in spring.
Winters are cool and variable — January typically sees highs around 44°F and lows near 27°F, with occasional snow in the mountains. December is similar (highs ~50°F, lows ~32°F). Summers are warm and humid — July averages about 86°F / 66°F with afternoon thunderstorms common. Spring and fall are mild and popular for outdoor events, hiking, and leaf season in the higher elevations.
Month-by-month averages
Winter rows highlighted (Dec–Feb); summer (Jun–Aug) shaded warm. Higher elevations (Mountain City, Erwin) are typically 5–10°F cooler than Johnson City or Kingsport.
Forecasts from Open-Meteo. Year-round figures use 3-year historical archive averages (cached locally) and are approximate guides — not official NWS climate normals. Newcomers guide has more on relocating to the area.