Madisonville, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Madisonville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast20%—95°70°—
- SundayJul 5Overcast25%—95°74°0°
- MondayJul 6Heavy Drizzle62%—87°70°-8°
- TuesdayJul 7Overcast36%—89°67°+2°
- WednesdayJul 8Overcast22%—88°65°-1°
- ThursdayJul 9Mostly Clear41%—93°65°+5°
- FridayJul 10Light Drizzle60%—92°71°-1°
AQI 34 (Good), driven by Ozone. AQI up 11 over the last 6 hours (gradual rise). Ozone at AQI 60 now. With UV 5.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 60 now. With UV 5.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 47 around 1 PM.
- Present
- AQI 60
- UV peak
- 5.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 47
PM × Wind × Precip
PM2.5 at 9.7 µg/m³ (AQI 52) with a 0.88 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.88
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:26 PM
- Moonset
- 10:47 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Madisonville at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: March 20 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37354
16-Day Forecast — Madisonville
- Sat95°70°20%
- Sun95°74°25%
- Mon87°70°62%
- Tue89°67°36%
- Wed88°65°22%
- Thu93°65°41%
- Fri92°71°60%
- Sat83°69°58%
- Sun79°63°43%
- Mon82°58°18%
- Tue82°58°16%
- Wed87°62°26%
- Thu87°65°32%
- Fri90°68°29%
- Sat84°67°24%
- Sun82°69°35%
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 — Madisonville
SPC has placed Madisonville in the Marginal Risk category for severe thunderstorms tomorrow.
- TODAYTSTMGeneral Thunderstorms
- 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.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
Madisonville's warmest month is July (~78°F mean) and its coldest is January (~39°F). Rainfall peaks in July (5.3 inches) and bottoms out in October (3.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 39° | 4.6″ | 7 |
| February | 43° | 4.9″ | 9 |
| March | 51° | 4.9″ | 8 |
| April | 59° | 4.8″ | 8 |
| May | 68° | 4.9″ | 8 |
| June | 75° | 4.5″ | 8 |
| July | 78° | 5.3″ | 10 |
| August | 77° | 4.1″ | 8 |
| September | 71° | 4.1″ | 6 |
| October | 59° | 3.1″ | 5 |
| November | 48° | 4.8″ | 6 |
| December | 42° | 5.2″ | 8 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Madisonville's January averages 39°F and July 78°F — 39°F apart — while precipitation totals roughly 55.2 inches over some 91 days.
Rainfall in Madisonville stays even across the calendar: July tops out at 5.3 inches over 9.6 rainy days, and October still logs 3.1 inches across 5.2 — a narrow range for Madisonville. That lines Madisonville up with places like Kahite, TN, Sweetwater, TN and Vonore, TN, fed by overlapping storm tracks.
The cool-season window in Madisonville starts at mid-March, when nights stop freezing — think peas, lettuce, spinach, and radishes. In Madisonville, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Madisonville's frost date. Madisonville's window closes around mid-December as overnight lows return below freezing. Within Madisonville, cold-air pooling chills low spots by 5-10°F, shifting Madisonville's local frost dates.
Similar climates: Kahite, TN, Sweetwater, TN, Vonore, TN, Englewood, TN, Niota, TN.
Frequently asked
- When does it freeze in Madisonville?
- In Madisonville, expect the last spring frost near mid-March; Madisonville's first autumn frost comes around mid-December.
- What is the rainy season in Madisonville?
- Rainfall in Madisonville peaks in July near 5.3 inches, out of about 55 inches annually.
- What is the warmest month in Madisonville?
- Madisonville peaks in July, when the mean runs near 78°F.
- What is the coldest month in Madisonville?
- January is Madisonville's coldest month, averaging about 39°F.
- When can I start a vegetable garden in Madisonville?
- Hardy spring crops go in near mid-March in Madisonville; tender peppers and squash wait 10–14 days.
- How many rainy days does Madisonville get?
- Expect roughly 91 wet days a year in Madisonville.
- What hardiness zone is Madisonville?
- Because Madisonville bottoms near 39°F in January, that winter low sets Madisonville's USDA zone — verify by ZIP.
- What is the 10-day forecast for Madisonville?
- Madisonville's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Madisonville?
- See this week's day-by-day rain chances for Madisonville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Madisonville?
- Current conditions for Madisonville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Madisonville forecast updated?
- The Madisonville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Madisonville?
- Today's sunrise and sunset times for Madisonville are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Madisonville?
- The next few days in Madisonville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The humid subtropical climate of Madisonville, Tennessee carries typical Januarys near 39°F and Julys around 78°F — 39°F of seasonal travel.
Madisonville sees close to 55 inches of precipitation annually, falling across some 91 wet days.
Madisonville's 39°F range, set by its 35.5°N position, drives frost timing and what thrives in Madisonville.
ZIP codes in Madisonville
- 37354