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Lenexa, Kansas Weather

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

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

Lenexa, KS
Saturday, July 4 at 4:34 PM
75
°
Overcast
Feels like
74°
Humidity
72%
Wind
14 mph
Sunrise
12:59 AM
Sunset
3:48 PM
Lenexa, KS
Hour by hour · 24h
24-Hour ForecastLenexa, KS: 24-hour forecast. Temperatures range from 65 to 89 degrees Fahrenheit with a 44% chance of precipitation at 6 PM.
L 65°H 89°
Lenexa, KS
7-day forecast
  1. Today
    Jul 4
    Showers
    54%
    0.25″
    82°68°—
  2. Sunday
    Jul 5
    Overcast
    10%
    —
    91°65°+9°
  3. Monday
    Jul 6
    Partly Cloudy
    —
    —
    87°69°-4°
  4. Tuesday
    Jul 7
    Overcast
    —
    —
    87°66°0°
  5. Wednesday
    Jul 8
    Overcast
    —
    —
    91°68°+4°
  6. Thursday
    Jul 9
    Overcast
    36%
    —
    90°76°-1°
  7. Friday
    Jul 10
    Light Drizzle
    36%
    —
    86°70°-4°
Lenexa, KS
Next 24 hours · Mild now
HOT 90°60°78°95°12p6p12a6anow 77°high 89°low 65°PRECIP %
Lenexa, KS
Anemometer · 24h winds · from true
NESW
From · True
NW
316° · veering 146°
Direction
NW
316°
Sustained
14
mph
Gust
23
mph
Peak 24h
26
avg 7
Beaufort · 4 · MOD 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 7 · pk 26 @ 4:00p
0102030MPHB1B2B3B4B5B6-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 267SUSTGUST
−24h−18h−12h−6hnow
Sustained 14 mph with gusts pulsing to 23 — flags snap, branches bend.
Lenexa, KS
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
984.5
-1.3 mb in 3h · falling · 29.07 inHg
Now
984.5
mb
3h
-1.3
mb
12h
+1.3
mb
24h
+1.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 982–987
9759809859909951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW986.6981.8984.3
−24h−18h−12h−6hnow
Deep low still deepening — rough seas, strong wind, persistent rain.
Lenexa, KS
Air quality
41
AQI
Good
→+1 in 6h

AQI 41 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.0 µg/m³, PM10 at 13.3 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
10.0μg/m³
PM 10Good
13μg/m³
NO₂Good
1μg/m³
OzoneModerate
99μg/m³
UV IndexModerate
4.0

What's driving it

Ozone × UV × Sky

Ozone at AQI 47 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.

Present
AQI 47
UV peak
3.6 at earlier today
Sky at peak
overcast
Projected peak
AQI 47

PM × Wind × Precip

PM2.5 at 10.0 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature.

PM2.5/PM10
0.75
Wind
breezy
Recent rain
1h in last 6h
Pattern
background

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).

7-DAY AQI TREND50100SATSUNMONTUEWEDTHUFRISAT7-DAY PM2.5 TREND · μg/m³300
Lenexa, KS
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow
Visibility
44.0mi
UNLIMITED
63 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
21:34 UTC · Lenexa, KS · 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
21:34 UTC · Lenexa, KS · NOAA NESDIS / STAR · 5-min cadence · up to 10000 px
Lenexa, KS
Satellite · infrared · animated
Lenexa, KS
Loading IR frames…
IR · cloud-top temp© RainViewer · Carto
Lenexa, KS
Almanac · Saturday, July 4
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
Civil dawn
5:28 AM
Sunrise
12:59 AM
Daylight
14h 49m
Sunset
3:48 PM
Civil dusk
9:21 PM
Planting note
Harvest early potatoes. Begin drying onions on the surface.
Lenexa, KS
The moon
Waning Gibbous
78% illuminated
Moonrise
11:12 PM
Moonset
10:27 AM
In sign
♓︎ Pisces
Lenexa, KS
Microseason
Jul 1–5

Cicadas claim the scorching afternoon

bird
Jan 151% of the yearDec 31

Read this microseason across nine climate regions →

Lenexa at a glance

  • Today vs. normal: 75°F — typical for the season
  • Last frost: April 10 (climatological average for this latitude)
  • Microseason: Jul 1–5
  • Planting window: Harvest early potatoes. Begin drying onions on the surface.

ZIP codes: 66215, 66219, 66220, 66227

16-Day Forecast — Lenexa

  1. Sat82°68°54%
  2. Sun91°65°10%
  3. Mon87°69°4%
  4. Tue87°66°1%
  5. Wed91°68°6%
  6. Thu90°76°36%
  7. Fri86°70°36%
  8. Sat82°65°12%
  9. Sun82°61°6%
  10. Mon82°60°5%
  11. Tue82°61°4%
  12. Wed85°60°12%
  13. Thu87°64°13%
  14. Fri89°72°18%
  15. Sat89°70°29%
  16. Sun81°63°23%

Forecast data from Open-Meteo (CC BY 4.0).

Live wind & temperature near Lenexa

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 — Lenexa

SPC has placed Lenexa 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.

January 1–5: Frost quiets the live oaks.January 6–10: Still water thickens with ice.January 11–15: Springs begin to move beneath ice.January 16–20: Cardinal dawn calls grow bolder.January 21–25: Late January thaw pulses.January 26–31: Last freeze locks the land.February 1–5: February's lengthening light.February 6–10: Warming winds thaw the margin.February 11–15: Magnolia blooms break the gray.February 16–20: Mockingbirds resume the dawn chorus.February 21–25: Rain replaces the last snow.February 26–28: Mist clings to greening valleys.March 1–5: The green pulse awakens.March 6–10: Hibernators emerge to call.March 11–15: Dogwood and redbud ignite.March 16–20: Swallowtails emerge from winter silk.March 21–25: Light crowns the dogwood canopy.March 26–31: Redbud cascades over the thaw.April 1–5: Thunder announces the wet season.April 6–10: Barn swallows carve the warming sky.April 11–15: Magnolia blooms and falls in a breath.April 16–20: First rainbows arch over thunderheads.April 21–25: Reeds push through marsh water.April 26–30: Frost retreats; seedlings rise free.May 1–5: Warblers flood the canopy in waves.May 6–10: Tulip poplar lights the forest crown.May 11–15: Shad pulse upstream through rapids.May 16–20: Roses open on the Piedmont edge.May 21–25: Fireflies scout the humid dusk.May 26–31: Frog choruses rise from every wetland.June 1–5: Fireflies pulse through the magnolias.June 6–10: Kudzu climbs deeper into green.June 11–15: Sun climbs to its northern throne.June 16–20: Heat settles and the rain begins.June 21–25: The longest day turns toward shadow.June 26–30: Fireflies drift through Spanish moss.July 1–5: Cicadas claim the scorching afternoon.July 6–10: Thunderheads boil and break at dusk.July 11–15: Thunder builds each drowsy afternoon.July 16–20: Cicadas claim the long noon.July 21–25: Dog days drape the earth in haze.July 26–31: Katydids begin their rasping chorus.August 1–5: Dusk arrives one minute earlier each night.August 6–10: Meteorological summer's turning page.August 11–15: Cool winds gather at the margins.August 16–20: Dog-day cicadas rise.August 21–25: Heat breaks in creek beds.August 26–31: Monarchs gather strength.September 1–5: Harvests begin in earnest.September 6–10: Dew beads on resurrection fern.September 11–15: Raptors trail the thermals.September 16–20: Day and dark find balance.September 21–25: Thunder quiets the land.September 26–30: Insects retreat below.October 1–5: Swamp waters recede.October 6–10: Maples ignite the ridge.October 11–15: Asters crown the meadows.October 16–20: Crickets sing at dusk.October 21–25: Frost paints the garden.October 26–31: Light rains whisper down.November 1–5: Sweetgum Turns Crimson.November 6–10: Camellia Blooms Break Through.November 11–15: Earth Stiffens Underfoot.November 16–20: Bare Limbs Hold the Light.November 21–25: First Frost Grips the High Ground.November 26–30: North Wind Strips the Last Leaves.December 1–5: Darkness Falls Before Dinner.December 6–10: Winter Locks the Land.December 11–15: Wildlife Retreats to Shelter.December 16–20: Ice Edges Deepen Inward.December 21–25: The Sun Begins its Return.December 26–31: The Year Turns in Silence.🌱February 14 — First skunk-cabbage spathes thaw their way up☀️March 20 — Spring equinox — day and night balance🌸April 5 — Cherry blossoms peak in the parks🐦May 10 — Warbler migration peaks along the coast✨May 25 — First fireflies scout the meadows at dusk🌞June 21 — Summer solstice — longest day🦗July 25 — Peak cicada chorus in the afternoons🌊August 18 — Warmest sea-surface temperatures of the year🍂September 22 — Autumn equinox — the slow turn❄️October 25 — First widespread frost in the suburbs🍁November 10 — Peak leaf color across the Hudson Valley🌙December 21 — Winter solstice — longest night

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

The solar year drawn as a wheel of 72 five-day windows. Each wedge is one microseason; the four colored arcs mark winter, spring, summer, and autumn; the small icons sit at notable phenological events. The crimson pointer creeps clockwise as the year turns.

Planting calendar

MonthPlantHarvest
January——
February——
March——
Aprillettuce, peas, spinach, radishes—
Maylettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, peas, radishes
Junetomatoes, peppers, beans, squashlettuce, peas, radishes
Julytomatoes, peppers, beans, squashtomatoes, beans, summer squash
August—tomatoes, beans, summer squash
Septemberfall brassicas, garlic (overwinter), carrotstomatoes, beans, summer squash
Octoberfall brassicas, garlic (overwinter), carrotswinter squash, tomatoes (last)
November——
December——

A year in weather

The year in Lenexa tops out in July (~81°F) and dips lowest in January (~30°F), with May wettest at 5.7 inches and January driest at 1.4 inches.

MonthMean tempPrecipRainy days
January30°1.4″11
February34°1.5″10
March44°3.4″15
April56°3.9″15
May65°5.7″17
June75°5.5″14
July81°3.4″12
August80°3.5″12
September72°3.0″11
October59°3.2″11
November44°3.1″11
December32°1.9″11

Regional context

By the nearest station's NOAA NCEI 1991-2020 normals, Lenexa sees 30°F Januarys and 81°F Julys, a 52°F range, plus around 39.4 inches of precipitation across 149 days.

Lenexa's rain peaks in summer: May brings 5.7 inches over 16.5 thunderstorm-fed days, while January sees just 1.4 inches across 10.9 days under cooler, drier air. That summer-storm rhythm groups Lenexa with places like Shawnee, KS, Olathe, KS and Lake Quivira, KS.

Lenexa's growing window opens around mid-April, once Lenexa's overnight lows stop freezing — sow kale, peas, spinach, and parsnips. Warm-soil crops in Lenexa wait about two weeks past Lenexa's last frost, once the soil warms. It shuts near mid-November, when freezes return to Lenexa and tender plants need cover. In Lenexa, low spots run 4-7°F colder than nearby slopes, nudging Lenexa's frost dates a week.

Similar climates: Shawnee, KS, Olathe, KS, Lake Quivira, KS, Merriam, KS, Overland Park, KS.

Frequently asked

When does it freeze in Lenexa?
Frost typically leaves Lenexa by mid-April and returns to Lenexa near mid-November.
What is the rainy season in Lenexa?
May is the wettest month in Lenexa, about 5.7 inches on average; the year totals roughly 39 inches.
What is the warmest month in Lenexa?
Lenexa peaks in July, when the mean runs near 81°F.
What is the coldest month in Lenexa?
January is Lenexa's coldest month, averaging about 30°F.
When can I start a vegetable garden in Lenexa?
In Lenexa, sow peas and hardy greens around mid-April; Lenexa's tomatoes and peppers wait two weeks more.
How many rainy days does Lenexa get?
Lenexa records around 149 days of measurable precipitation annually.
What hardiness zone is Lenexa?
With January around 30°F, Lenexa's zone reflects that minimum — the USDA ZIP map confirms Lenexa's band.
What is the 10-day forecast for Lenexa?
Lenexa'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 Lenexa?
See this week's day-by-day rain chances for Lenexa in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Lenexa?
Current conditions for Lenexa and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Lenexa forecast updated?
The Lenexa forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Lenexa?
Today's sunrise and sunset times for Lenexa 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 Lenexa?
The next few days in Lenexa's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Climate

In Lenexa, Kansas, the humid subtropical climate runs from about 30°F in January to 81°F in July, a 51°F seasonal range.

In a typical year Lenexa records about 39 inches of precipitation on around 149 days.

From 39.0°N, Lenexa sees a 51°F seasonal swing that governs Lenexa's planting and frost windows.

All cities in Kansas →

Kansas City, MO weather →

ZIP codes in Lenexa

  • 66214
  • 66215
  • 66219
  • 66227
  • 66220
  • 66216
  • 66250

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.