Lexington, Missouri Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Lexington weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle48%0.09″81°67°—
- SundayJul 5Overcast——89°64°+8°
- MondayJul 6Light Drizzle——84°70°-5°
- TuesdayJul 7Clear——85°66°+1°
- WednesdayJul 8Overcast——90°68°+5°
- ThursdayJul 9T-storm w/ Hail37%0.09″86°70°-4°
- FridayJul 10Drizzle37%0.06″87°69°+1°
AQI 57 (Moderate), driven by Ozone. AQI up 12 over the last 6 hours (gradual rise). Ozone at AQI 48 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 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 48 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 12 around 1 PM.
- Present
- AQI 48
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 12
PM × Wind × Precip
PM2.5 at 8.3 µg/m³ (AQI 46) with a 0.82 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.82
- 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
- 11:33 PM
- Moonset
- 11:28 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Lexington at a glance
- Today vs. normal: 71°F — typical for the season
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 64067
16-Day Forecast — Lexington
- Sat81°67°48%
- Sun89°63°8%
- Mon84°70°2%
- Tue85°66°0%
- Wed90°68°7%
- Thu86°70°37%
- Fri87°69°37%
- Sat77°68°14%
- Sun81°63°10%
- Mon83°62°4%
- Tue86°64°3%
- Wed87°68°16%
- Thu89°72°13%
- Fri92°76°20%
- Sat92°72°23%
- Sun94°79°32%
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 — Lexington
SPC has placed Lexington 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.
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 186 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
Lexington peaks at about 78°F in July and bottoms near 29°F in January; May brings the heaviest rain (5.6 inches) and January the least (1.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 1.8″ | 4 |
| February | 34° | 2.0″ | 4 |
| March | 44° | 3.1″ | 5 |
| April | 55° | 4.4″ | 7 |
| May | 65° | 5.6″ | 8 |
| June | 74° | 5.1″ | 8 |
| July | 78° | 5.1″ | 6 |
| August | 76° | 4.3″ | 5 |
| September | 69° | 4.4″ | 6 |
| October | 57° | 3.2″ | 6 |
| November | 44° | 2.4″ | 4 |
| December | 34° | 1.9″ | 4 |
Regional context
Lexington swings from 29°F in January to 78°F in July (49°F) per NOAA NCEI 1991-2020 normals; precipitation in Lexington runs about 43.3 inches on roughly 68 measurable days.
Precipitation in Lexington runs summer-dominant: May averages 5.6 inches across 8.4 days of warm-season storms, while January drops to 1.8 inches over 3.7 rainy days of drier cool air. That puts Lexington in a summer-convective cohort with places like Henrietta, MO, Hardin, MO and Wellington, MO.
Around mid-April, Lexington sheds its freezing nights — kale, peas, spinach, and parsnips go into Lexington's beds. Lexington's heat-lovers — tomatoes, peppers, squash — hold off until Lexington's frost risk clears, 10-14 days on. The season ends by mid-November in Lexington, once hard frosts set back in. A creek-bottom lot in Lexington can lag Lexington's last frost 7-10 days behind a south slope.
Similar climates: Henrietta, MO, Hardin, MO, Wellington, MO, Camden, MO, Richmond, MO.
Frequently asked
- When does it freeze in Lexington?
- Frost typically leaves Lexington by mid-April and returns to Lexington near mid-November.
- What is the rainy season in Lexington?
- May is the wettest month in Lexington, about 5.6 inches on average; the year totals roughly 43 inches.
- What is the warmest month in Lexington?
- July is Lexington's warmest month, averaging about 78°F.
- What is the coldest month in Lexington?
- Lexington bottoms out in January, with a mean near 29°F.
- When can I start a vegetable garden in Lexington?
- Time tomatoes in Lexington for two weeks after mid-April; peas and greens start at Lexington's frost line.
- How many rainy days does Lexington get?
- Lexington averages about 68 days with measurable rain or snow each year.
- What hardiness zone is Lexington?
- Lexington sits in the USDA zone set by January lows near 29°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Lexington?
- Lexington'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 Lexington?
- See this week's day-by-day rain chances for Lexington in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Lexington?
- Current conditions for Lexington and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Lexington forecast updated?
- The Lexington forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Lexington?
- Today's sunrise and sunset times for Lexington 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 Lexington?
- The next few days in Lexington's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Lexington, Missouri occupies a humid subtropical zone, with January means near 29°F and July around 78°F — a 49°F swing.
Yearly precipitation in Lexington totals around 43 inches, spread over about 68 days of rain or snow.
The 49°F gap between Lexington's summer and winter, at 39.2°N, shapes Lexington's frost calendar.
ZIP codes in Lexington
- 64067