Lafayette, Tennessee Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Lafayette weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Foggy11%—92°67°—
- SundayJul 5Heavy Drizzle45%0.04″91°73°-1°
- MondayJul 6Thunderstorm55%—84°70°-7°
- TuesdayJul 7T-storm w/ Hail23%—83°70°-1°
- WednesdayJul 8Partly Cloudy37%—87°66°+4°
- ThursdayJul 9Mostly Clear27%—90°69°+3°
- FridayJul 10Thunderstorm54%—80°70°-10°
AQI 27 (Good), driven by Ozone. AQI down 8 over the last 6 hours (gradual decline). Ozone at AQI 46 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 8 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 46 now. With UV 6.2 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 38 around 1 PM.
- Present
- AQI 46
- UV peak
- 6.2 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 38
PM × Wind × Precip
PM2.5 at 7.8 µg/m³ (AQI 43) with a 0.97 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- 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
- 10:34 PM
- Moonset
- 9:53 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lafayette at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 26 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 37083
16-Day Forecast — Lafayette
- Sat93°67°11%
- Sun91°73°45%
- Mon84°70°55%
- Tue83°70°23%
- Wed87°66°37%
- Thu90°69°27%
- Fri80°70°54%
- Sat86°69°38%
- Sun81°62°24%
- Mon73°59°10%
- Tue77°59°10%
- Wed81°61°16%
- Thu87°63°20%
- Fri87°71°23%
- Sat76°70°20%
- Sun81°70°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 — Lafayette
SPC includes Lafayette 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.
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 | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Lafayette peaks at about 77°F in July and bottoms near 35°F in January; May brings the heaviest rain (5.7 inches) and September the least (3.7 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 35° | 4.4″ | 7 |
| February | 39° | 4.7″ | 7 |
| March | 47° | 4.9″ | 8 |
| April | 56° | 5.2″ | 8 |
| May | 65° | 5.7″ | 8 |
| June | 73° | 4.6″ | 7 |
| July | 77° | 5.2″ | 7 |
| August | 76° | 3.8″ | 5 |
| September | 70° | 3.7″ | 5 |
| October | 57° | 3.8″ | 6 |
| November | 46° | 3.9″ | 6 |
| December | 39° | 5.0″ | 8 |
Regional context
By the nearest station's NOAA NCEI 1991-2020 normals, Lafayette sees 35°F Januarys and 77°F Julys, a 42°F range, plus around 55 inches of precipitation across 82 days.
No season owns Lafayette's rain: May reaches 5.7 inches across 8.0 days and September keeps 3.7 inches on 5.4, an even spread through Lafayette's year. It is a balanced pattern Lafayette shares with places like Red Boiling Springs, TN, Hartsville, TN and Westmoreland, TN.
The cool-season window in Lafayette starts at mid-April, when nights stop freezing — think peas, lettuce, spinach, and radishes. Warm-soil crops in Lafayette wait about two weeks past Lafayette's last frost, once the soil warms. Around mid-November, freezing nights resume in Lafayette and tender crops must come in. Within Lafayette, cold-air pooling chills low spots by 5-10°F, shifting Lafayette's local frost dates.
Similar climates: Red Boiling Springs, TN, Hartsville, TN, Westmoreland, TN, Bransford, TN, Bethpage, TN.
Frequently asked
- When does it freeze in Lafayette?
- Lafayette's last spring frost lands near mid-April, and in Lafayette the first fall frost follows around mid-November.
- What is the rainy season in Lafayette?
- Lafayette sees its heaviest rain in May (around 5.7 inches), part of roughly 55 inches a year.
- What is the warmest month in Lafayette?
- On average July tops the year in Lafayette at about 77°F.
- What is the coldest month in Lafayette?
- The coldest stretch in Lafayette falls in January, around 35°F on average.
- When can I start a vegetable garden in Lafayette?
- Around mid-April, start frost-hardy crops in Lafayette; tomatoes and basil belong a fortnight later.
- How many rainy days does Lafayette get?
- Lafayette averages about 82 days with measurable rain or snow each year.
- What hardiness zone is Lafayette?
- Because Lafayette bottoms near 35°F in January, that winter low sets Lafayette's USDA zone — verify by ZIP.
- What is the 10-day forecast for Lafayette?
- Lafayette'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 Lafayette?
- See this week's day-by-day rain chances for Lafayette in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Lafayette?
- Current conditions for Lafayette and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Lafayette forecast updated?
- The Lafayette forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Lafayette?
- Today's sunrise and sunset times for Lafayette 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 Lafayette?
- The next few days in Lafayette's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
In Lafayette, Tennessee, the humid subtropical climate runs from about 35°F in January to 77°F in July, a 42°F seasonal range.
Yearly precipitation in Lafayette totals around 55 inches, spread over about 82 days of rain or snow.
Lafayette's 42°F range, set by its 36.5°N position, drives frost timing and what thrives in Lafayette.
ZIP codes in Lafayette
- 37083