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Harrison, TN Weather
Current conditions
Observed at Chattanooga, Lovell Field · 1 hr ago
Forecast
10-day-
Wednesday Night
Clear, with a low around 52. North wind 0 to 5 mph.
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Thursday
Sunny, with a high near 75. North wind 5 to 10 mph.
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Thursday Night
Clear, with a low around 52. North wind around 5 mph.
National Weather Service forecast updated 1 day ago.
Hourly
Hourly forecast- Now71°
- 7 PM67°
- 8 PM66°
- 9 PM61°
- 10 PM58°
- 11 PM57°
- Thu12 AM55°
- 1 AM54°
- 2 AM53°
- 3 AM52°
- 4 AM52°
- 5 AM52°
- 6 AM52°
- 7 AM52°
- 8 AM52°
- 9 AM54°
- 10 AM58°
- 11 AM61°
- 12 PM65°
- 1 PM68°
- 2 PM71°
- 3 PM73°
- 4 PM74°
- 5 PM74°
10-day forecast
Details- TueOct 20Mostly Sunny51°74°
- TodayOct 21Sunny52°76°
- ThuOct 22Sunny52°75°
- FriOct 23Sunny50°75°
- SatOct 24Sunny49°72°
- SunOct 25Sunny49°73°
- MonOct 26Mostly Sunny51°75°
- TueOct 27Mostly sunny50°75°
- WedOct 28Cloudy51°76°
- ThuOct 29Sunny54°74°
Days after the National Weather Service's seven are MET Norway's outlook, a computer model with no forecaster's review.
Radar
Full mapWeather news in Tennessee
More weather news-
Beautiful Fall weather continues for the Tennessee ValleyWTVC A dry pattern but overall beautiful Fall weather right through early next week Chilly mornings in the 40s with sunny and warm afternoons in the 70s No rain in sight possibly through the end of the month October is…
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First Alert Forecast: Sunsets are slipping away in Middle TennesseeNASHVILLE, Tenn. (WSMV) - Soak up that evening sunshine while you can! Sunsets are slipping away, and with the time change Halloween weekend we’ll have sunset before 5pm by the start of November. This Saturday, October…
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Another nice fall day on tap for the Tennessee ValleyLocal 3 News Good morning! We are waking up to quiet conditions and chilly temperatures in the 30s and 40s. Highs will rebound to the mid 70s this afternoon, with plenty of sunshine. It is shaping up to be another…
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Back-to-back months land in weather record books for Middle TennesseeNASHVILLE, Tenn. (WSMV) - The next heat wave will hold off until 2027. September and October have been super unusual for weather across Middle Tennessee. Both months have hosted persistent, extreme heat at times. Both…
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Beautiful weather worsens drought in Middle TennesseeWSMV Beautiful weather worsens drought in Middle Tennessee Here's how and when to see shooting stars this week in Middle Tennessee Why the beautiful weather in Middle Tennessee isn't necessarily a good thing Searching…
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Why the beautiful weather in Middle Tennessee isn't necessarily a good thingWSMV Why the beautiful weather in Middle Tennessee isn't necessarily a good thing Here's how and when to see shooting stars this week in Middle Tennessee First Alert Weather Video Searching for rain -- here's what we…
- First Alert Forecast: Feeling like Fall all week in Middle Tennessee
NASHVILLE, Tenn. (WSMV) - A beautiful but dry week is in store for Middle Tennessee. After a chilly start this morning, it should be a very pleasant afternoon with a mostly sunny sky and temperatures in the upper 60s to…
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First Alert Forecast: Fall-like feel sticks around into the work week for Middle TennesseeNASHVILLE, Tenn. (WSMV) - Chilly mornings will persist this week. After a chilly start this morning, it’s going to be a very pleasant afternoon with a mostly sunny sky and temperatures in the upper 60s to near 70. It…
- First fall frost possible this weekend for part of Middle Tennessee
NASHVILLE, Tenn. (WZTV) — Cooler weather is setting in as Nashville sees it's first chill of the fall season. Temperatures are dropping below what’s typical for this time of year and some neighborhoods might even see…
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First Alert Forecast: Patchy frost possible Sunday morning in Middle Tennessee.Breezy & brisk start to the weekend with sunny skies expected Saturday and Sunday. Some areas could wake up to patchy frost Sunday morning before temperatures warm next week. NASHVILLE, Tenn. (WSMV) - Brisk and breezy…
Air quality
Air quality is satisfactory, and air pollution poses little or no risk.
Forecast
- WedGood (50)
- ThuGood (50)
- FriModerate (51)
Chattanooga, TN reporting area · 1 hr ago. Data from AirNow (EPA and its state, local and tribal partners); preliminary and subject to change.
Sun & moon
Almanac
MonthlyChattanooga Area, records since 1879. Normals 1991–2020. Data from NOAA's Regional Climate Centers (ACIS).
Nearby
- Chattanooga 17 km
- East Chattanooga 11 km
- Cleveland 24 km
- Dalton 41 km
- East Ridge 15 km
- East Brainerd 13 km
- Soddy-Daisy 14 km
- Middle Valley 10 km
- Red Bank 14 km
- Collegedale 10 km
- Fort Oglethorpe 21 km
- Signal Mountain 19 km
Forecasters' discussion
From the National Weather Service office in MRX, issued 4 hrs ago
Key Messages
Updated at 138 PM EDT Wed Oct 21 2026
- Continued pleasant fall weather for the next week
- Chances for patchy fog in the river valleys many mornings.
Discussion
Issued at 138 PM EDT Wed Oct 21 2026
Persistence forecast for the next several days, and most of the next week as the surface and lower levels of the atmosphere remain mostly under high pressure with ridging trying to build in from the west further up in the atmosphere.
This will lead to continued pleasant weather days with mostly clear skies, light winds, and temperatures right around seasonal normals. Have made a few tweaks to dew points and included patchy fog in the river valleys as we've seen the past several mornings... But otherwise this is a low impacts forecast for the southern Appalachians and eastern Tennessee Valley.
Increased clouds could move in next week as a trough swings through to our north, but as of this writing no precipitation is anticipated.
Aviation
(18Z TAFS) Issued at 138 PM EDT Wed Oct 21 2026
VFR conditions expected the next 24 hours. Some guidance is trying to bring in light fog once again overnight, but it hasn't occurred in the past couple of nights, so have left it out of the TAFs.
Preliminary Point Temps
Chattanooga Airport, TN 48 74 49 73 / 0 0 0 0 Knoxville McGhee Tyson Airport, TN 44 72 44 72 / 0 0 0 0 Oak Ridge, TN 45 72 45 71 / 0 0 0 0 Tri Cities Airport, TN 38 69 36 71 / 0 0 0 0
Forecasts, observations and alerts in the United States come from the National Weather Service (NOAA); radar from NOAA's Multi-Radar Multi-Sensor system; satellite imagery from NASA's Global Imagery Browse Services (GIBS) and NOAA's GOES satellites; the map from the U.S. Geological Survey's National Map; air quality from AirNow (EPA and its partners); hurricane information from the National Hurricane Center; climate normals and records from NOAA's Regional Climate Centers (ACIS). Forecasts outside the United States and the UV index: MET Norway (CC BY 4.0); observations outside the U.S.: airport reports via NOAA's Aviation Weather Center. Place names: GeoNames (CC BY 4.0). Data are copied on a schedule and may lag the sources; for warnings that affect your safety, follow your local National Weather Service office and emergency officials. Weather news is drawn from the 4Search index and reflects what the press published. Terms of use.