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

Unionville, Tennessee Weather

Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →

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

Unionville, TN
Sunday, July 5 at 2:13 PM
74
°
Heavy Rain
Feels like
74°
Humidity
92%
Wind
19 mph
Sunrise
12:36 AM
Sunset
3:05 PM
Unionville, TN
Hour by hour · 24h
24-Hour ForecastUnionville, TN: 24-hour forecast. Temperatures range from 69 to 83 degrees Fahrenheit with a 49% chance of precipitation at 2 PM.
L 69°H 83°
Unionville, TN
7-day forecast
  1. Today
    Jul 5
    Heavy Showers
    49%
    2.0″
    81°71°
  2. Monday
    Jul 6
    Overcast
    29%
    85°69°+4°
  3. Tuesday
    Jul 7
    Drizzle
    40%
    89°70°+4°
  4. Wednesday
    Jul 8
    Drizzle
    26%
    89°69°
  5. Thursday
    Jul 9
    Heavy Drizzle
    15%
    90°70°+1°
  6. Friday
    Jul 10
    Light Drizzle
    43%
    89°71°-1°
  7. Saturday
    Jul 11
    Thunderstorm
    49%
    0.24″
    92°66°+3°
Unionville, TN
Anemometer · 24h winds · from true
NESW
From · True
SW
224° · backing 22°
Direction
SW
224°
Sustained
19
mph
Gust
26
mph
Peak 24h
26
avg 4
Beaufort · 5 · FRESH 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 26 @ 2:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 261SUSTGUST
−24h−18h−12h−6hnow
A fresh breeze drives the sw-bound air across the harbor.
Unionville, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
989.4
-0.5 mb in 3h · steady · 29.22 inHg
Now
989.4
mb
3h
-0.5
mb
12h
+1.4
mb
24h
-0.7
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 988990
9809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW990.1987.9989.4
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Unionville, TN
Air quality
44
AQI
Good
+13 in 6hPeak ~54 @ 11 PM

AQI 44 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 66. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.

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

PM 2.5Good
9.0μg/m³
PM 10Good
10μg/m³
NO₂Good
1μg/m³
OzoneDRIVERUnhealthy SG
117μg/m³
UV IndexHigh
5.2

What's driving it

Ozone × UV × Sky

Ozone at AQI 66. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.

Present
AQI 66
UV peak
5.2 at 1 PM
Sky at peak
overcast
Projected peak
AQI 23

PM × Wind × Precip

PM scrubbed by 3 hours of recent rain — PM2.5 down to 9.0 µg/m³, PM10 to 9.9 µg/m³.

PM2.5/PM10
0.91
Wind
breezy
Recent rain
3h in last 6h
Pattern
washed out
Unionville, TN
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
1.8mi
MIST/HAZE
77 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
19:13 UTC · Unionville, 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
19:13 UTC · Unionville, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Unionville, TN
Satellite · infrared · animated
Unionville, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Unionville, TN
Almanac · Sunday, July 5
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:07 AM
Sunrise
12:36 AM
Daylight
14h 29m
Sunset
3:05 PM
Civil dusk
8:36 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Unionville, TN
The moon
Waning Gibbous
70% illuminated
Moonrise
11:00 PM
Moonset
11:00 AM
In sign
♓︎ Pisces
Unionville, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

plant
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Unionville at a glance

  • Today vs. normal: 74°F — typical for the season
  • Last frost: March 21 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP code: 37180

16-Day Forecast — Unionville

  1. Sun81°71°49%
  2. Mon85°69°29%
  3. Tue89°70°40%
  4. Wed89°69°26%
  5. Thu90°70°15%
  6. Fri89°71°43%
  7. Sat92°66°49%
  8. Sun89°67°39%
  9. Mon94°69°16%
  10. Tue79°60°11%
  11. Wed82°58°12%
  12. Thu84°62°33%
  13. Fri87°68°39%
  14. Sat92°68°42%
  15. Sun90°68°39%
  16. Mon89°67°44%

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

Right now in the garden

Peak growing season

As of July 5, 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 — Unionville

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

  • TODAYMRGLMarginal Risk
  • TOMORROWTSTMGeneral Thunderstorms
  • 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 Unionville

  • 37160
  • 37180

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.