Little Rock, Arkansas Weather

Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →

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

Little Rock, AR
Monday, September 21 at 9:26 AM
81
°
Overcast
Feels like
85°
Humidity
59%
Wind
4 mph
Sunrise
6:56 AM
Sunset
7:07 PM

Conditions updated 9:26 AM CDT · Open-Meteo

Little Rock, AR
Hour by hour · 24h
24-Hour ForecastLittle Rock, AR: 24-hour forecast. Temperatures range from 73 to 95 degrees Fahrenheit.
L 73°H 95°
Little Rock, AR
7-day forecast
  1. Today
    Sep 21
    Overcast
    11%
    95°74°
  2. Tuesday
    Sep 22
    Clear
    89°73°-6°
  3. Wednesday
    Sep 23
    Overcast
    88°66°-1°
  4. Thursday
    Sep 24
    Overcast
    86°63°-2°
  5. Friday
    Sep 25
    Overcast
    89°64°+3°
  6. Saturday
    Sep 26
    Overcast
    95°70°+6°
  7. Sunday
    Sep 27
    Light Drizzle
    95°71°
Little Rock, AR
Anemometer · 24h winds · from true
NESW
From · True
E
079° · veering 174°
Direction
E
079°
Sustained
4
mph
Gust
7
mph
Peak 24h
12
avg 4 mph
Beaufort · 2 · LIGHT 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 4 mph · pk 12 mph @ 10:00a
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 228SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Little Rock, AR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.4
+0.7 mb in 3h · rising · 29.96 inHg
Now
1014.4
mb
3h
+0.7
mb
12h
+3.2
mb
24h
-0.2
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1014.61009.51014.4
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 32 · Good
Little Rock, AR
Air quality
32
AQI
Good
-1 in 6hPeak ~50 @ 7 PM

AQI 32 (Good), driven by PM2.5. AQI projected to climb to 49 over the next 6 hours. PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.87 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.

OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 7 PM.

PM 2.5DRIVERGood
8.8μg/m³
PM 10Good
10μg/m³
NO₂Good
3μg/m³
OzoneModerate
76μg/m³
UV IndexLow
1.3

What's driving it

Ozone × UV × Sky

Ozone at AQI 36. Overcast through the UV peak window (cloud cover ~65%) — afternoon ozone should stay flat.

Present
AQI 36
UV peak
2.6 at 1 PM
Sky at peak
overcast
Projected peak
AQI 6

PM × Wind × Precip

PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.87 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.87
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Little Rock, AR
Sky cover · visibility · 24h
Cloud cover
100%
OVERCAST
100%0%−24h−18h−12h−6hnow

Visibility
19.3mi
UNLIMITED
39 mi0 mi−24h−18h−12h−6hnow
Little Rock, AR
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:32 AM
Sunrise
6:56 AM
Daylight
12h 11m
Sunset
7:07 PM
Civil dusk
7:34 PM
Planting note
September — harvest tomatoes, peppers, beans, summer squash, winter squash
Little Rock, AR
The moon
Waxing Gibbous
75% illuminated
Moonrise
4:28 PM
Moonset
1:47 AM
In sign
♑︎ Capricorn
Little Rock, AR
Microseason
Sep 21–25

Thunder quiets the land

weather
Jan 172% of the yearDec 31

Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →

Little Rock at a glance

  • Today vs. normal: Today averages 85°F (high 95°F, low 74°F), 13°F above the 72°F normal for Sep 21
  • Last frost: March 21 (1991–2020 median, NOAA station 11 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — harvest tomatoes, peppers, beans, summer squash, winter squash

16-Day Forecast — Little Rock

  1. Mon96°75°11%
  2. Tue89°73°4%
  3. Wed88°65°0%
  4. Thu86°63°0%
  5. Fri89°64°0%
  6. Sat95°70°3%
  7. Sun95°71°9%
  8. Mon92°68°18%
  9. Tue76°69°37%
  10. Wed89°66°23%
  11. Thu91°69°10%
  12. Fri91°70°6%
  13. Sat85°71°13%
  14. Sun80°61°23%
  15. Mon71°52°23%
  16. Tue72°49°12%

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

Live wind & temperature near Little Rock

Interactive wind and temperature map centered on Little Rock — it loads in your browser. Open the full weather map.

Right now in the garden

Late season

As of September 21, the first frost (around November 10) is about 7 weeks away. Frost-tender plants keep producing until then. This city's planting calendar for September: harvest tomatoes, peppers, beans, summer squash, and winter squash.

SPC Convective Outlook

Storm Prediction Center — Little Rock

SPC includes Little Rock in the general thunderstorm area today — no severe risk, but storms are possible.

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWTSTMGeneral Thunderstorms
  • DAY 3NONENo severe risk

Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.

Source: NOAA / NWS Storm Prediction Center categorical convective outlook.

Sun & seasons in Little Rock

Little Rock sits in Pulaski County, where the year’s longest day runs 14h 29m of daylight and its shortest just 9h 49m — a swing of +4h 40m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Little Rock is the state’s largest city. The nearest town Little Rock tracks is Fayetteville, roughly 138 miles to the NW.

Air quality in Little Rock

Air quality in Little Rock’s county has trended dirtier since 2020; its cleanest year on record was 2020 (median AQI 50). See the full air-quality history for Little Rock.

Planting calendar

MonthPlantHarvest
Februarylettuce, peas, spinach, radishes
Marchlettuce, peas, spinach, radishesradishes
Apriltomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Maytomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Junebeans, squashbeans, summer squash, garlic
Julytomatoes, peppers, beans, squashtomatoes, peppers, beans, summer squash, winter squash
Augustbeans, squash, fall brassicas, carrotstomatoes, peppers, beans, summer squash, winter squash
Septembertomatoes, peppers, beans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Novembertomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Decemberfall brassicas, carrots

A year in weather

July is Little Rock's warmest stretch (~81°F) and January its coldest (~41°F); precipitation crests in April at 5.6 inches and ebbs in September to 3.0 inches.

MonthMean tempPrecipRainy days
January41°3.56
February45°4.06
March53°5.08
April61°5.67
May70°5.17
June78°3.56
July81°3.36
August81°3.25
September74°3.04
October63°4.56
November51°4.76
December43°5.16

Regional context

Similar climates Cammack Village, AR, Sweet Home, AR, College Station, AR

Drawing on NOAA NCEI 1991-2020 normals, Little Rock's January averages 41°F and July 81°F — 41°F apart — while precipitation totals roughly 50.4 inches over some 71 days.

Little Rock's precipitation spreads evenly across the seasons: April peaks at 5.6 inches on 6.8 wet days, while September holds 3.0 inches over 4.4 — no season dominates Little Rock's rain calendar. That lines Little Rock up with places like Cammack Village, AR, Sweet Home, AR and College Station, AR, fed by overlapping storm tracks.

Little Rock's growing window opens around March 21, once Little Rock's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Warm-soil crops in Little Rock wait about two weeks past Little Rock's last frost, once the soil warms. Little Rock's window closes around November 10 as Little Rock's overnight lows return below freezing. In about half of years, Little Rock's last freeze comes after March 21.

Similar climates: Cammack Village, AR, Sweet Home, AR, College Station, AR, North Little Rock, AR, Shannon Hills, AR.

Frequently asked

When does it freeze in Little Rock?
Frost typically leaves Little Rock by March 21 and returns to Little Rock near November 10.
What is the rainy season in Little Rock?
Rainfall in Little Rock peaks in April near 5.6 inches, out of about 50 inches annually.
What is the warmest month in Little Rock?
The warmest stretch in Little Rock comes in July, around 81°F on average.
What is the coldest month in Little Rock?
On average January is the chilliest month in Little Rock, about 41°F.
When can I start a vegetable garden in Little Rock?
Little Rock's last frost (March 21) cues hardy greens; in Little Rock, hold heat-lovers two weeks past.
How many rainy days does Little Rock get?
Little Rock records around 71 days of measurable precipitation annually.
What hardiness zone is Little Rock?
Little Rock's USDA zone comes from its January mean (41°F); enter the ZIP on the USDA lookup for the number.
What is the 10-day forecast for Little Rock?
Little Rock'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 Little Rock?
See this week's day-by-day rain chances for Little Rock in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Little Rock?
Current conditions for Little Rock and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Little Rock forecast updated?
The Little Rock forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Little Rock?
Today's sunrise and sunset times for Little Rock 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 Little Rock?
The next few days in Little Rock's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Little Rock sits at 34.7°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Little Rock

  • 72103
  • 72201
  • 72202
  • 72204
  • 72205
  • 72206
  • 72207
  • 72209
  • 72210
  • 72211
  • 72212
  • 72215
  • 72217
  • 72219
  • 72222
  • 72223
  • 72225
  • 72227
  • 72231
  • 72255
  • 72260
  • 72295

Climate normals: NOAA NCEI 1991–2020 normals from the nearest station. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.