Fayetteville, Arkansas Weather

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

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

Fayetteville, AR
Monday, September 21 at 9:25 AM
72
°
Clear
Feels like
77°
Humidity
85%
Wind
5 mph
Sunrise
7:03 AM
Sunset
7:14 PM

Conditions updated 9:25 AM CDT · Open-Meteo

Fayetteville, AR
Hour by hour · 24h
24-Hour ForecastFayetteville, AR: 24-hour forecast. Temperatures range from 67 to 85 degrees Fahrenheit.
L 67°H 85°
Fayetteville, AR
7-day forecast
  1. Today
    Sep 21
    Clear
    51%
    85°69°
  2. Tuesday
    Sep 22
    Clear
    82°67°-3°
  3. Wednesday
    Sep 23
    Overcast
    86°58°+4°
  4. Thursday
    Sep 24
    Overcast
    85°60°-1°
  5. Friday
    Sep 25
    Overcast
    87°64°+2°
  6. Saturday
    Sep 26
    Light Drizzle
    88°64°+1°
  7. Sunday
    Sep 27
    Showers
    19%
    88°65°
Fayetteville, AR
Anemometer · 24h winds · from true
NESW
From · True
NNW
330° · veering 158°
Direction
NNW
330°
Sustained
5
mph
Gust
9
mph
Peak 24h
23
avg 7 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 7 mph · pk 23 mph @ 5:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 206SUSTGUST
−24h−18h−12h−6hnow
Light breeze veering 158° from the nnw.
Fayetteville, AR
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1015.3
+2.0 mb in 3h · rising · 29.98 inHg
Now
1015.3
mb
3h
+2.0
mb
12h
+2.7
mb
24h
+2.2
mb
Regime · FAIR
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10101015
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY1030-21h-18h-15h-12h-9h-6h-3h-24hNOW1015.31009.51015.3
Fair and building — a clean high settles over the region.
Air quality now AQI 36 · Good
Fayetteville, AR
Air quality
36
AQI
Good
+1 in 6hPeak ~49 @ 7 PM

AQI 36 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.86 fine-to-coarse ratio and 5 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
8.9μg/m³
PM 10Good
10μg/m³
NO₂Good
3μg/m³
OzoneModerate
81μg/m³
UV IndexLow
1.4

What's driving it

Ozone × UV × Sky

Ozone at AQI 38 now. With UV 2.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 14.

Present
AQI 38
UV peak
2.8 at 1 PM
Sky at peak
clear
Projected peak
AQI 14

PM × Wind × Precip

PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.86 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.86
Wind
light
Recent rain
0h in last 6h
Pattern
stagnant smoke
Fayetteville, AR
Sky cover · visibility · 24h
Cloud cover
0%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
9.4mi
GOOD
55 mi0 mi−24h−18h−12h−6hnow
Fayetteville, AR
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:39 AM
Sunrise
7:03 AM
Daylight
12h 11m
Sunset
7:14 PM
Civil dusk
7:42 PM
Planting note
September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
Fayetteville, AR
The moon
Waxing Gibbous
75% illuminated
Moonrise
4:39 PM
Moonset
1:51 AM
In sign
♑︎ Capricorn
Fayetteville, 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 →

Fayetteville at a glance

  • Today vs. normal: Today averages 77°F (high 85°F, low 69°F), 9°F above the 68°F normal for Sep 21
  • Last frost: April 4 (1991–2020 median, NOAA station 3 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash

16-Day Forecast — Fayetteville

  1. Mon85°69°51%
  2. Tue82°67°9%
  3. Wed86°58°0%
  4. Thu85°60°0%
  5. Fri87°64°5%
  6. Sat88°64°9%
  7. Sun88°65°19%
  8. Mon88°63°29%
  9. Tue76°66°37%
  10. Wed85°64°25%
  11. Thu87°64°9%
  12. Fri86°66°17%
  13. Sat83°64°19%
  14. Sun70°49°13%
  15. Mon67°42°19%
  16. Tue66°44°17%

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

Live wind & temperature near Fayetteville

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

Right now in the garden

Fall planting + final harvests

As of September 21, the season's first frost (typically October 31) is approaching. Pick what frost-tender plants still carry before the next cold front. This city's planting calendar for September: plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, and winter squash.

SPC Convective Outlook

Storm Prediction Center — Fayetteville

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

  • TODAYTSTMGeneral Thunderstorms
  • TOMORROWNONENo severe risk
  • 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 Fayetteville

Fayetteville sits in Washington County, where the year’s longest day runs 14h 37m of daylight and its shortest just 9h 42m — a swing of +4h 55m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

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

Air quality in Fayetteville

Air quality in Fayetteville’s county has trended cleaner since 2020; its cleanest year on record was 2025 (median AQI 40). See the full air-quality history for Fayetteville.

Planting calendar

MonthPlantHarvest
Marchlettuce, peas, spinach, radishes
Aprillettuce, peas, spinach, radishes, tomatoes, peppers, beans, squashlettuce, spinach, radishes
Maytomatoes, peppers, beans, squashlettuce, peas, spinach, radishes
Junebeans, squashlettuce, peas, spinach, beans, summer squash, garlic
Julytomatoes, peppers, beans, squashtomatoes, peppers, beans, summer squash, garlic
Augustbeans, squash, fall brassicas, carrotstomatoes, peppers, beans, summer squash, winter squash
Septembergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash
Octobergarlic (overwinter)tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Novemberfall brassicas, carrots

A year in weather

The year in Fayetteville tops out in July (~79°F) and dips lowest in January (~37°F), with May wettest at 6.0 inches and February driest at 2.3 inches.

MonthMean tempPrecipRainy days
January37°2.63
February41°2.34
March49°3.75
April58°4.56
May66°6.08
June75°4.76
July79°3.65
August78°3.45
September71°4.55
October59°4.05
November48°4.05
December40°2.94

Regional context

Similar climates Johnson, AR, Greenland, AR, Farmington, AR

Fayetteville swings from 37°F in January to 79°F in July (42°F) per NOAA NCEI 1991-2020 normals; precipitation in Fayetteville runs about 46.3 inches on roughly 62 measurable days.

Fayetteville's rain peaks in summer: May brings 6.0 inches over 8.2 thunderstorm-fed days, while February sees just 2.3 inches across 4.1 days under cooler, drier air. That summer-storm rhythm groups Fayetteville with places like Johnson, AR, Greenland, AR and Farmington, AR.

Fayetteville reaches its last hard frost near April 4; that is the cue for peas, lettuce, spinach, and radishes. Fayetteville's heat-lovers — tomatoes, peppers, squash — hold off until Fayetteville's frost risk clears, 10-14 days on. Frost returns to Fayetteville near October 31, ending the tender-crop season. Open lawns in Fayetteville whiten first when frost returns.

Similar climates: Johnson, AR, Greenland, AR, Farmington, AR, Tontitown, AR, Springdale, AR.

Frequently asked

When does it freeze in Fayetteville?
In Fayetteville, expect the last spring frost near April 4; Fayetteville's first autumn frost comes around October 31.
What is the rainy season in Fayetteville?
May is the wettest month in Fayetteville, about 6.0 inches on average; the year totals roughly 46 inches.
What is the warmest month in Fayetteville?
Fayetteville peaks in July, when the mean runs near 79°F.
What is the coldest month in Fayetteville?
January is Fayetteville's coldest month, averaging about 37°F.
When can I start a vegetable garden in Fayetteville?
Hardy spring crops go in near April 4 in Fayetteville; tender peppers and squash wait 10–14 days.
How many rainy days does Fayetteville get?
Expect roughly 62 wet days a year in Fayetteville.
What hardiness zone is Fayetteville?
Because Fayetteville bottoms near 37°F in January, that winter low sets Fayetteville's USDA zone — verify by ZIP.
What is the 10-day forecast for Fayetteville?
Fayetteville'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 Fayetteville?
See this week's day-by-day rain chances for Fayetteville in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Fayetteville?
Current conditions for Fayetteville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Fayetteville forecast updated?
The Fayetteville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Fayetteville?
Today's sunrise and sunset times for Fayetteville 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 Fayetteville?
The next few days in Fayetteville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Fayetteville sits at 36.1°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Fayetteville

  • 72701
  • 72702
  • 72703
  • 72704

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.