Raleigh, North Carolina Weather

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

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

Raleigh, NC
Monday, September 21 at 10:19 AM
82
°
Clear
Feels like
88°
Humidity
65%
Wind
3 mph
Sunrise
7:01 AM
Sunset
7:12 PM

Conditions updated 10:19 AM EDT · Open-Meteo

Raleigh, NC
Hour by hour · 24h
24-Hour ForecastRaleigh, NC: 24-hour forecast. Temperatures range from 72 to 92 degrees Fahrenheit with a 25% chance of precipitation at 9 PM.
L 72°H 92°
Raleigh, NC
7-day forecast
  1. Today
    Sep 21
    Clear
    25%
    92°68°
  2. Tuesday
    Sep 22
    Clear
    77%
    87°72°-5°
  3. Wednesday
    Sep 23
    Light Drizzle
    77%
    0.02″
    73°63°-14°
  4. Thursday
    Sep 24
    Rain
    51%
    0.42″
    67°58°-6°
  5. Friday
    Sep 25
    Overcast
    72°54°+5°
  6. Saturday
    Sep 26
    Mostly Clear
    76°54°+4°
  7. Sunday
    Sep 27
    Overcast
    79°58°+3°
Raleigh, NC
Anemometer · 24h winds · from true
NESW
From · True
SSW
207° · backing 45°
Direction
SSW
207°
Sustained
3
mph
Gust
6
mph
Peak 24h
10
avg 3 mph
Beaufort · 1 · LIGHT AIR
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 3 mph · pk 10 mph @ 4:00p
01020MPHB1B2B3B4B5-21h-18h-15h-12h-9h-6h-3h-24hNOWpk 186SUSTGUST
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Raleigh, NC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1014.6
+0.1 mb in 3h · steady · 29.96 inHg
Now
1014.6
mb
3h
+0.1
mb
12h
+0.6
mb
24h
-2.6
mb
Regime · CHANGE
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10131017
9951000STORM|RAIN10051010RAIN|CHG1015CHG|FAIR10201025FAIR|DRY-21h-18h-15h-12h-9h-6h-3h-24hNOW1017.11012.91014.5
Air sits at the threshold — small shifts decide the day.
Air quality now AQI 59 · Moderate
Raleigh, NC
Air quality
59
AQI
Moderate
+2 in 6hPeak ~98 @ 7 PM

AQI 59 (Moderate), driven by PM2.5. AQI projected to climb to 93 over the next 6 hours. PM2.5 at 12.2 µg/m³ (AQI 57) with a 0.93 fine-to-coarse ratio and 3 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 2.5DRIVERModerate
12.2μg/m³
PM 10Good
13μg/m³
NO₂Good
8μg/m³
OzoneUnhealthy SG
104μg/m³
UV IndexModerate
2.9

What's driving it

Ozone × UV × Sky

Ozone at AQI 49 now. With UV 4.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 27.

Present
AQI 49
UV peak
4.1 at 1 PM
Sky at peak
clear
Projected peak
AQI 27

PM × Wind × Precip

PM2.5 at 12.2 µg/m³ (AQI 57) with a 0.93 fine-to-coarse ratio and 3 mph wind — combustion smoke trapped in stagnant air, not road dust.

PM2.5/PM10
0.93
Wind
calm
Recent rain
0h in last 6h
Pattern
stagnant smoke
Raleigh, NC
Sky cover · visibility · 24h
Cloud cover
1%
CLEAR
100%0%−24h−18h−12h−6hnow

Visibility
15.5mi
UNLIMITED
29 mi0 mi−24h−18h−12h−6hnow
Raleigh, NC
Almanac · Monday, September 21
September dries up ditches or breaks down bridges.
Civil dawn
6:37 AM
Sunrise
7:01 AM
Daylight
12h 11m
Sunset
7:12 PM
Civil dusk
7:40 PM
Planting note
September — harvest tomatoes, peppers, beans, summer squash, winter squash
Raleigh, NC
The moon
Waxing Gibbous
75% illuminated
Moonrise
4:35 PM
Moonset
1:47 AM
In sign
♑︎ Capricorn
Raleigh, NC
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 →

Raleigh at a glance

  • Today vs. normal: Today averages 80°F (high 92°F, low 68°F), 9°F above the 71°F normal for Sep 21
  • Last frost: March 28 (1991–2020 median, NOAA station 7 km away)
  • Microseason: Sep 21–25
  • Planting calendar: September — harvest tomatoes, peppers, beans, summer squash, winter squash

16-Day Forecast — Raleigh

  1. Mon92°68°25%
  2. Tue87°72°77%
  3. Wed73°63°77%
  4. Thu67°58°51%
  5. Fri72°54°8%
  6. Sat76°54°2%
  7. Sun79°58°1%
  8. Mon81°62°3%
  9. Tue81°62°6%
  10. Wed82°63°14%
  11. Thu83°66°13%
  12. Fri86°68°19%
  13. Sat84°66°23%
  14. Sun73°67°19%
  15. Mon73°60°16%
  16. Tue67°53°23%

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

Live wind & temperature near Raleigh

Interactive wind and temperature map centered on Raleigh — 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 8) 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 — Raleigh

SPC includes Raleigh 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.

Sun & seasons in Raleigh

Raleigh sits in Wake County, where the year’s longest day runs 14h 35m of daylight and its shortest just 9h 43m — a swing of +4h 52m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.

Charlotte, the state’s largest city, lies about 130 miles to the WSW. The nearest town Raleigh tracks is Cary, roughly 10 miles to the WSW.

Air quality in Raleigh

Air quality in Raleigh’s county has held roughly steady since 2020; its cleanest year on record was 2025 (median AQI 43). See the full air-quality history for Raleigh.

Planting calendar

MonthPlantHarvest
Marchlettuce, peas, spinach, radishesradishes
Aprillettuce, 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, winter squash, garlic
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, fall brassicas, carrots
Novembertomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots
Decemberfall brassicas, carrots

A year in weather

July is Raleigh's warmest stretch (~80°F) and January its coldest (~42°F); precipitation crests in September at 5.7 inches and ebbs in February to 2.9 inches.

MonthMean tempPrecipRainy days
January42°3.67
February44°2.96
March51°4.27
April61°3.66
May69°4.06
June77°4.97
July80°4.77
August79°4.77
September73°5.76
October62°3.95
November52°3.55
December45°3.76

Regional context

Similar climates Knightdale, NC, Garner, NC, Cary, NC

In Raleigh, NOAA NCEI 1991-2020 normals put January near 42°F and July near 80°F — a 39°F seasonal arc — with about 49.4 inches of precipitation over 74 rainy or snowy days.

No season owns Raleigh's rain: September reaches 5.7 inches across 5.9 days and February keeps 2.9 inches on 6.0, an even spread through Raleigh's year. It is a balanced pattern Raleigh shares with places like Knightdale, NC, Garner, NC and Cary, NC.

Raleigh reaches its last hard frost near March 28; that is the cue for peas, lettuce, spinach, and radishes. Heat-demanding starts go out a fortnight on in Raleigh, after the soil warms and cold snaps clear. By November 8, frost is back in Raleigh — protect or harvest anything tender. That date is a median: Raleigh freezes sooner in half of years.

Similar climates: Knightdale, NC, Garner, NC, Cary, NC, Morrisville, NC, Wake Forest, NC.

Frequently asked

When does it freeze in Raleigh?
In Raleigh, expect the last spring frost near March 28; Raleigh's first autumn frost comes around November 8.
What is the rainy season in Raleigh?
Raleigh sees its heaviest rain in September (around 5.7 inches), part of roughly 49 inches a year.
What is the warmest month in Raleigh?
On average July tops the year in Raleigh at about 80°F.
What is the coldest month in Raleigh?
The coldest stretch in Raleigh falls in January, around 42°F on average.
When can I start a vegetable garden in Raleigh?
Hardy spring crops go in near March 28 in Raleigh; tender peppers and squash wait 10–14 days.
How many rainy days does Raleigh get?
Expect roughly 74 wet days a year in Raleigh.
What hardiness zone is Raleigh?
With January around 42°F, Raleigh's zone reflects that minimum — the USDA ZIP map confirms Raleigh's band.
What is the 10-day forecast for Raleigh?
Raleigh'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 Raleigh?
See this week's day-by-day rain chances for Raleigh in the daily forecast above, and the next 24 hours in the hourly chart.
What is the weather like right now in Raleigh?
Current conditions for Raleigh and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
How often is the Raleigh forecast updated?
The Raleigh forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
When are sunrise and sunset in Raleigh?
Today's sunrise and sunset times for Raleigh 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 Raleigh?
The next few days in Raleigh's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.

Raleigh sits at 35.8°N; its climate zone is humid subtropical (Köppen approximation).

ZIP codes in Raleigh

  • 27601
  • 27602
  • 27603
  • 27604
  • 27605
  • 27606
  • 27607
  • 27608
  • 27609
  • 27610
  • 27612
  • 27613
  • 27614
  • 27615
  • 27616
  • 27617
  • 27619
  • 27620
  • 27622
  • 27624
  • 27626
  • 27627
  • 27628
  • 27634
  • 27636
  • 27640
  • 27650
  • 27656
  • 27658
  • 27661
  • 27668
  • 27675
  • 27676
  • 27690
  • 27695
  • 27697
  • 27698

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.