Carrboro, North Carolina Weather
Cicadas claim the scorching afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Carrboro weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast18%—97°77°—
- MondayJul 6Showers71%—96°72°-1°
- TuesdayJul 7Light Showers71%—95°71°-1°
- WednesdayJul 8Light Showers53%0.07″93°71°-2°
- ThursdayJul 9Overcast21%—96°68°+3°
- FridayJul 10Overcast24%—101°73°+5°
- SaturdayJul 11Light Drizzle41%—94°72°-7°
AQI 48 (Good), driven by PM2.5. AQI down 9 over the last 6 hours (gradual decline). PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 6.5 µg/m³ (AQI 36) with a 0.84 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.84
- 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
- 11:31 PM
- Moonset
- 11:27 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Carrboro at a glance
- Today vs. normal: 3°F above the seasonal normal for this latitude
- Last frost: March 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 27510
15-Day Forecast — Carrboro
- Sun98°77°18%
- Mon96°72°71%
- Tue95°71°71%
- Wed93°71°53%
- Thu96°68°21%
- Fri101°73°24%
- Sat94°72°41%
- Sun100°71°35%
- Mon88°70°24%
- Tue91°65°10%
- Wed91°63°11%
- Thu92°69°39%
- Fri80°70°56%
- Sat88°70°44%
- Sun92°68°42%
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 — Carrboro
SPC has placed Carrboro in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWMRGLMarginal Risk
- 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 | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
In Carrboro, July runs warmest near 78°F and January coldest around 38°F, while June is the wettest month (5.2 inches) and February the driest (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 38° | 4.0″ | 6 |
| February | 41° | 2.9″ | 6 |
| March | 49° | 4.5″ | 8 |
| April | 58° | 3.7″ | 7 |
| May | 66° | 3.8″ | 7 |
| June | 74° | 5.2″ | 7 |
| July | 78° | 4.2″ | 7 |
| August | 76° | 5.2″ | 7 |
| September | 70° | 4.7″ | 5 |
| October | 59° | 3.4″ | 5 |
| November | 49° | 3.6″ | 5 |
| December | 42° | 3.3″ | 6 |
Regional context
Carrboro swings from 38°F in January to 78°F in July (40°F) per NOAA NCEI 1991-2020 normals; precipitation in Carrboro runs about 48.6 inches on roughly 77 measurable days.
Carrboro's precipitation spreads evenly: June peaks at 5.2 inches on 7.4 wet days, while February holds 2.9 inches over 6.2 — no month dominates Carrboro's rain calendar. It is a balanced pattern Carrboro shares with places like Chapel Hill, NC, Carolina Meadows, NC and Governors Club, NC.
Carrboro reaches its last hard frost near mid-March; that is the cue for peas, lettuce, spinach, and radishes. Heat-demanding starts go out a fortnight on in Carrboro, after the soil warms and cold snaps clear. By mid-December, frost is back in Carrboro — protect or harvest anything tender. Carrboro's low ground holds frost later into spring than Carrboro's benches, which run 3-5 days ahead.
Similar climates: Chapel Hill, NC, Carolina Meadows, NC, Governors Club, NC, Governors Village, NC, Briar Chapel, NC.
Frequently asked
- When does it freeze in Carrboro?
- In Carrboro, expect the last spring frost near mid-March; Carrboro's first autumn frost comes around mid-December.
- What is the rainy season in Carrboro?
- June is the wettest month in Carrboro, about 5.2 inches on average; the year totals roughly 49 inches.
- What is the warmest month in Carrboro?
- On average July tops the year in Carrboro at about 78°F.
- What is the coldest month in Carrboro?
- The coldest stretch in Carrboro falls in January, around 38°F on average.
- When can I start a vegetable garden in Carrboro?
- Hardy spring crops go in near mid-March in Carrboro; tender peppers and squash wait 10–14 days.
- How many rainy days does Carrboro get?
- Carrboro averages about 77 days with measurable rain or snow each year.
- What hardiness zone is Carrboro?
- Since January in Carrboro averages 38°F, Carrboro's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for Carrboro?
- Carrboro'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 Carrboro?
- See this week's day-by-day rain chances for Carrboro in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Carrboro?
- Current conditions for Carrboro and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Carrboro forecast updated?
- The Carrboro forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Carrboro?
- Today's sunrise and sunset times for Carrboro 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 Carrboro?
- The next few days in Carrboro's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a humid subtropical zone, Carrboro, North Carolina swings from 38°F in the heart of winter to 78°F at midsummer — a 40°F arc.
In a typical year Carrboro records about 49 inches of precipitation on around 77 days.
Carrboro sits at 35.9°N; that 40°F seasonal swing frames planting windows and frost dates across Carrboro.
ZIP codes in Carrboro
- 27516
- 27510