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

Erin, Tennessee Weather

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

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

Erin, TN
Saturday, July 4 at 6:21 PM
91
°
Clear
Feels like
96°
Humidity
54%
Wind
7 mph
Sunrise
12:38 AM
Sunset
3:12 PM
Erin, TN
Hour by hour · 24h
24-Hour ForecastErin, TN: 24-hour forecast. Temperatures range from 76 to 91 degrees Fahrenheit with a 23% chance of precipitation at 2 PM.
L 76°H 91°
Erin, TN
7-day forecast
  1. Today
    Jul 4
    Overcast
    92°69°
  2. Sunday
    Jul 5
    Overcast
    26%
    90°76°-2°
  3. Monday
    Jul 6
    Overcast
    25%
    91°69°+1°
  4. Tuesday
    Jul 7
    Overcast
    11%
    86°66°-5°
  5. Wednesday
    Jul 8
    Overcast
    12%
    92°64°+6°
  6. Thursday
    Jul 9
    Overcast
    14%
    95°67°+3°
  7. Friday
    Jul 10
    Light Drizzle
    48%
    97°73°+2°
Erin, TN
Anemometer · 24h winds · from true
NESW
From · True
WSW
248° · veering 103°
Direction
WSW
248°
Sustained
7
mph
Gust
10
mph
Peak 24h
16
avg 3
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 3 · pk 16 @ 7:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 176SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Erin, TN
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
995.3
-0.9 mb in 3h · falling · 29.39 inHg
Now
995.3
mb
3h
-0.9
mb
12h
-3.2
mb
24h
-5.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9951001
9909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1001.0995.2995.5
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Erin, TN
Air quality
72
AQI
Moderate
+20 in 6h

AQI 72 (Moderate), driven by PM2.5. AQI up 20 in the last 6 hours — air quality is degrading. PM2.5 at 10.5 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.

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

PM 2.5DRIVERGood
10.5μg/m³
PM 10Good
11μg/m³
NO₂Good
2μg/m³
OzoneUnhealthy SG
105μg/m³
UV IndexLow
0.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 50 — peak already passed at 1 PM under clear skies. Levels should ease through evening.

Present
AQI 50
UV peak
0.7 at earlier today
Sky at peak
clear
Projected peak
AQI 50

PM × Wind × Precip

PM2.5 at 10.5 µg/m³, PM10 at 11.1 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.95
Wind
light
Recent rain
0h in last 6h
Pattern
background
Erin, TN
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
72.6mi
UNLIMITED
72 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
23:21 UTC · Erin, 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
23:21 UTC · Erin, TN · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Erin, TN
Satellite · infrared · animated
Erin, TN
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Erin, TN
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:09 AM
Sunrise
12:38 AM
Daylight
14h 34m
Sunset
3:12 PM
Civil dusk
8:43 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Erin, TN
The moon
Waning Gibbous
78% illuminated
Moonrise
10:40 PM
Moonset
10:01 AM
In sign
♓︎ Pisces
Erin, TN
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Erin at a glance

  • Today vs. normal: 16°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: 37061

16-Day Forecast — Erin

  1. Sat92°69°8%
  2. Sun90°76°26%
  3. Mon91°69°25%
  4. Tue86°66°11%
  5. Wed92°64°12%
  6. Thu95°67°14%
  7. Fri97°73°48%
  8. Sat84°69°48%
  9. Sun82°62°31%
  10. Mon80°58°13%
  11. Tue84°60°9%
  12. Wed88°62°26%
  13. Thu88°67°32%
  14. Fri91°69°42%
  15. Sat75°70°42%
  16. Sun77°68°48%

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 — Erin

SPC includes Erin in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3TSTMGeneral Thunderstorms

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

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 Erin

  • 37061

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.