Weather StoryAlmanac, microseasons, and the day's weather story.

Jonesborough, Tennessee Weather

Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →

Jonesborough weather forecast — hour by hour, 7-day outlook, NOAA radar

Jonesborough, TN
Saturday, July 4 at 5:06 PM
88
°
Partly Cloudy
Feels like
95°
Humidity
52%
Wind
4 mph
Sunrise
2:17 AM
Sunset
4:51 PM
Jonesborough, TN
Hour by hour · 24h
24-Hour ForecastJonesborough, TN: 24-hour forecast. Temperatures range from 69 to 91 degrees Fahrenheit.
L 69°H 91°
Jonesborough, TN
7-day forecast
  1. Today
    Jul 4
    Overcast
    19%
    88°69°
  2. Sunday
    Jul 5
    Overcast
    27%
    91°69°+3°
  3. Monday
    Jul 6
    Heavy Drizzle
    75%
    85°68°-6°
  4. Tuesday
    Jul 7
    Heavy Drizzle
    48%
    84°66°-1°
  5. Wednesday
    Jul 8
    Light Drizzle
    16%
    84°62°
  6. Thursday
    Jul 9
    Overcast
    23%
    85°62°+1°
  7. Friday
    Jul 10
    Light Drizzle
    62%
    89°65°+4°
Jonesborough, TN
Anemometer · 24h winds · from true
NESW
From · True
SW
220° · veering 28°
Direction
SW
220°
Sustained
4
mph
Gust
5
mph
Peak 24h
16
avg 4
Beaufort · 2 · LIGHT BRZ
0
CALM
<1
1
LIGHT AIR
1–3
2
LIGHT BRZ
4–7
3
GENTLE BRZ
8–12
4
MOD BRZ
13–18
5
FRESH BRZ
19–24
6
STRONG BRZ
25–31
7
NEAR GALE
32–38
24h · sust vs gust · mph
avg 4 · pk 16 @ 8:00p
010MPHB1B2B3B4-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 125SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Jonesborough, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
955.1
-2.0 mb in 3h · falling · 28.20 inHg
Now
955.1
mb
3h
-2.0
mb
12h
-0.3
mb
24h
-2.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 955958
950955960965-21h-18h-15h-12h-9h-6h-3h-24hNOW958.2955.0955.1
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Jonesborough, TN
Air quality
47
AQI
Good
-1 in 6h

AQI 47 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 61 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.

PM 2.5Good
8.3μg/m³
PM 10Good
9μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
114μg/m³
UV IndexModerate
3.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 61 — peak already passed at 1 PM under partly cloudy skies. Levels should ease through evening.

Present
AQI 61
UV peak
3.3 at earlier today
Sky at peak
partly cloudy
Projected peak
AQI 61

PM × Wind × Precip

PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.91 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.

PM2.5/PM10
0.91
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Jonesborough, TN
Sky cover · visibility · 24h
Cloud cover
66%
PARTLY CLOUDY
100%0%−24h−18h−12h−6hnow

Visibility
69.5mi
UNLIMITED
85 mi0 mi−24h−18h−12h−6hnow
Earth · GOES-19 ABI
Full Disk · Visible · GeoColor
GOES-19 full disk Visible · GeoColor
True-color daytime, blue/IR sandwich at night
21:06 UTC · Jonesborough, TN · NOAA NESDIS / STAR · up to 10848 px
Continental US · GOES-19 ABI
CONUS Sector · Visible · GeoColor
GOES-19 CONUS Visible · GeoColor
Daytime true-color, blue-light/IR sandwich at night
21:06 UTC · Jonesborough, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Jonesborough, TN
Satellite · infrared · animated
Jonesborough, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Jonesborough, TN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:48 AM
Sunrise
2:17 AM
Daylight
14h 34m
Sunset
4:51 PM
Civil dusk
9:22 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Jonesborough, TN
The moon
Waning Gibbous
79% illuminated
Moonrise
11:19 PM
Moonset
10:38 AM
In sign
♓︎ Pisces
Jonesborough, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Jonesborough at a glance

  • Today vs. normal: 13°F above the seasonal normal for this latitude
  • Last frost: March 25 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 37659

16-Day Forecast — Jonesborough

  1. Sat89°69°19%
  2. Sun91°70°27%
  3. Mon85°68°75%
  4. Tue84°66°48%
  5. Wed84°62°16%
  6. Thu85°62°23%
  7. Fri89°65°62%
  8. Sat79°65°69%
  9. Sun71°62°50%
  10. Mon78°57°34%
  11. Tue83°57°20%
  12. Wed86°63°40%
  13. Thu83°64°48%
  14. Fri87°65°69%
  15. Sat84°67°65%
  16. Sun85°66°72%

Forecast data from Open-Meteo (CC BY 4.0).

Right now in the garden

Peak growing season

As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.

SPC Convective Outlook

Storm Prediction Center — Jonesborough

SPC has placed Jonesborough in the Marginal Risk category for severe thunderstorms today.

  • TODAYMRGLMarginal Risk
  • TOMORROWMRGLMarginal Risk
  • DAY 3TSTMGeneral Thunderstorms

Isolated severe storms possible. Limited threat for hail or damaging wind.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.

ZIP codes in Jonesborough

  • 37659

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.