Roanoke, Virginia Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
Roanoke weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:20 AM EDT · Open-Meteo
- TodaySep 21Drizzle later36%0.06″88°68°—
- TuesdaySep 22Heavy Rain90%1.6″71°62°-17°
- WednesdaySep 23Light Showers90%0.67″62°54°-9°
- ThursdaySep 24Light Drizzle73%0.03″64°51°+2°
- FridaySep 25Overcast——74°44°+10°
- SaturdaySep 26Partly Cloudy——78°45°+4°
- SundaySep 27Overcast——80°48°+2°
Air quality now AQI 47 · Good
AQI 47 (Good), driven by PM2.5. AQI flat over the last 6 hours (within ±3 points). PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.94 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.
What's driving it
Ozone × UV × Sky
Ozone at AQI 35. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 35
- UV peak
- 3.7 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 10.7 µg/m³ (AQI 54) with a 0.94 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.94
- Wind
- light
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:44 PM
- Moonset
- 1:48 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
Roanoke at a glance
- Today vs. normal: Today averages 78°F (high 88°F, low 68°F), 11°F above the 67°F normal for Sep 21
- Last frost: April 3 (1991–2020 median, NOAA station 5 km away)
- Microseason: Sep 21–25
- Planting calendar: September — plant garlic (overwinter); harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — Roanoke
- Mon88°68°36%
- Tue71°62°90%
- Wed62°54°90%
- Thu64°51°73%
- Fri74°44°5%
- Sat78°45°2%
- Sun80°48°2%
- Mon80°55°6%
- Tue80°55°9%
- Wed80°55°19%
- Thu86°60°15%
- Fri81°57°20%
- Sat78°56°20%
- Sun70°61°13%
- Mon70°51°23%
- Tue67°42°19%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Roanoke
Interactive wind and temperature map centered on Roanoke — 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 November 1) 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 — Roanoke
SPC has placed Roanoke 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.
Sun & seasons in Roanoke
Roanoke sits in Roanoke County, where the year’s longest day runs 14h 44m of daylight and its shortest just 9h 35m — a swing of +5h 8m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Virginia Beach, the state’s largest city, lies about 219 miles to the E. The nearest town Roanoke tracks is Lynchburg, roughly 43 miles to the ENE.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | beans, squash | lettuce, peas, spinach, beans, summer squash, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| August | beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| November | — | fall brassicas, carrots |
A year in weather
Roanoke peaks at about 78°F in July and bottoms near 38°F in January; June brings the heaviest rain (4.7 inches) and February the least (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 38° | 3.2″ | 6 |
| February | 41° | 2.9″ | 5 |
| March | 48° | 3.5″ | 7 |
| April | 58° | 3.5″ | 6 |
| May | 66° | 4.3″ | 8 |
| June | 74° | 4.7″ | 7 |
| July | 78° | 4.3″ | 7 |
| August | 76° | 3.4″ | 6 |
| September | 70° | 4.1″ | 6 |
| October | 59° | 3.0″ | 5 |
| November | 48° | 3.0″ | 5 |
| December | 41° | 3.1″ | 6 |
Regional context
Similar climates Vinton, VA, Hollins, VA, Cave Spring, VA
By the nearest station's NOAA NCEI 1991-2020 normals, Roanoke sees 38°F Januarys and 78°F Julys, a 40°F range, plus around 42.8 inches of precipitation across 74 days.
No season owns Roanoke's rain: June reaches 4.7 inches across 7.3 days and February keeps 2.9 inches on 5.4, an even spread through Roanoke's year. That lines Roanoke up with places like Vinton, VA, Hollins, VA and Cave Spring, VA, fed by overlapping storm tracks.
Roanoke's growing window opens around April 3, once Roanoke's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Warm-soil crops in Roanoke wait about two weeks past Roanoke's last frost, once the soil warms. Roanoke's window closes around November 1 as Roanoke's overnight lows return below freezing. Sheltered Roanoke yards can escape a light frost.
Similar climates: Vinton, VA, Hollins, VA, Cave Spring, VA, Salem, VA, Cloverdale, VA.
Frequently asked
- When does it freeze in Roanoke?
- Roanoke's last spring frost lands near April 3, and in Roanoke the first fall frost follows around November 1.
- What is the rainy season in Roanoke?
- Rainfall in Roanoke peaks in June near 4.7 inches, out of about 43 inches annually.
- What is the warmest month in Roanoke?
- July is Roanoke's warmest month, averaging about 78°F.
- What is the coldest month in Roanoke?
- Roanoke bottoms out in January, with a mean near 38°F.
- When can I start a vegetable garden in Roanoke?
- Roanoke's last frost (April 3) cues hardy greens; in Roanoke, hold heat-lovers two weeks past.
- How many rainy days does Roanoke get?
- Roanoke records around 74 days of measurable precipitation annually.
- What hardiness zone is Roanoke?
- Roanoke's hardiness zone tracks its winter low; with January near 38°F, check the USDA ZIP map for the exact zone.
- What is the 10-day forecast for Roanoke?
- Roanoke'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 Roanoke?
- See this week's day-by-day rain chances for Roanoke in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Roanoke?
- Current conditions for Roanoke and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Roanoke forecast updated?
- The Roanoke forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Roanoke?
- Today's sunrise and sunset times for Roanoke 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 Roanoke?
- The next few days in Roanoke's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Roanoke sits at 37.3°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in Roanoke
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