The Cliffs Valley, South Carolina Weather
Thunder quiets the land. Day 93 of summer. Read this microseason across nine climate regions →
The Cliffs Valley weather forecast — hour by hour, 7-day outlook, NOAA radar
Conditions updated 10:26 AM EDT · Open-Meteo
- TodaySep 21Clear19%—89°70°—
- TuesdaySep 22Mostly Clear63%0.16″83°70°-6°
- WednesdaySep 23Light Drizzle63%0.01″69°59°-14°
- ThursdaySep 24Drizzle39%0.11″60°57°-9°
- FridaySep 25Overcast13%—78°50°+18°
- SaturdaySep 26Overcast——79°53°+1°
- SundaySep 27Overcast——80°58°+1°
Air quality now AQI 51 · Moderate
AQI 51 (Moderate), 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 0.95 fine-to-coarse ratio and 2 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 39 now. With UV 3.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 13.
- Present
- AQI 39
- UV peak
- 3.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 13
PM × Wind × Precip
PM2.5 at 8.9 µg/m³ (AQI 49) with a 0.95 fine-to-coarse ratio and 2 mph wind — combustion smoke trapped in stagnant air, not road dust.
- PM2.5/PM10
- 0.95
- 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).
September dries up ditches or breaks down bridges.
- Moonrise
- 4:49 PM
- Moonset
- 2:05 AM
- In sign
- ♑︎ Capricorn
Thunder quiets the land
Read this microseason across nine climate regions →
All 72 microseasons on the year wheel →
The Cliffs Valley at a glance
- Today vs. normal: Today averages 80°F (high 89°F, low 70°F), 17°F above the 63°F normal for Sep 21
- Last frost: March 27 (1991–2020 median, NOAA station 19 km away)
- Microseason: Sep 21–25
- Planting calendar: September — harvest tomatoes, peppers, beans, summer squash, winter squash
16-Day Forecast — The Cliffs Valley
- Mon89°70°19%
- Tue83°70°63%
- Wed69°59°63%
- Thu60°57°39%
- Fri78°50°13%
- Sat79°53°4%
- Sun80°58°4%
- Mon79°62°5%
- Tue77°58°11%
- Wed79°58°22%
- Thu81°62°20%
- Fri81°61°23%
- Sat79°63°16%
- Sun70°65°21%
- Mon69°54°16%
- Tue64°44°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Late season
As of September 21, the first frost (around November 12) 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 — The Cliffs Valley
SPC has placed The Cliffs Valley 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 The Cliffs Valley
The Cliffs Valley sits in Greenville County, where the year’s longest day runs 14h 32m of daylight and its shortest just 9h 47m — a swing of +4h 44m between the June and December solstices. Clocks spring forward on Sunday, March 8, 2026 and fall back on Sunday, November 1, 2026.
Charleston, the state’s largest city, lies about 215 miles to the SE. The nearest town The Cliffs Valley tracks is Greenville, roughly 22 miles to the SSE.
Air quality in The Cliffs Valley
Air quality in The Cliffs Valley’s county has held roughly steady since 2020; its cleanest year on record was 2020 (median AQI 44).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| March | lettuce, peas, spinach, radishes | radishes |
| April | lettuce, peas, spinach, radishes | lettuce, spinach, radishes |
| May | tomatoes, peppers, beans, squash | lettuce, peas, spinach, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, spinach, garlic |
| July | tomatoes, peppers, beans, squash | tomatoes, peppers, beans, summer squash, garlic |
| August | tomatoes, peppers, beans, squash, fall brassicas, carrots | tomatoes, peppers, beans, summer squash, winter squash |
| September | — | tomatoes, peppers, beans, summer squash, winter squash |
| October | garlic (overwinter) | tomatoes, peppers, beans, summer squash, winter squash |
| November | — | tomatoes, peppers, beans, summer squash, winter squash, fall brassicas, carrots |
| December | — | fall brassicas, carrots |
A year in weather
The Cliffs Valley's warmest month is July (~71°F mean) and its coldest is January (~36°F). Rainfall peaks in December (7.1 inches) and bottoms out in February (4.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 36° | 6.0″ | 9 |
| February | 39° | 4.8″ | 10 |
| March | 46° | 5.2″ | 11 |
| April | 55° | 5.9″ | 11 |
| May | 62° | 6.1″ | 11 |
| June | 68° | 6.9″ | 14 |
| July | 71° | 7.0″ | 17 |
| August | 69° | 7.0″ | 15 |
| September | 64° | 6.6″ | 10 |
| October | 55° | 5.6″ | 8 |
| November | 47° | 5.9″ | 10 |
| December | 40° | 7.1″ | 10 |
Regional context
Similar climates Tigerville, SC, Slater-Marietta, SC, Caesars Head, SC
By the nearest station's NOAA NCEI 1991-2020 normals, The Cliffs Valley sees 36°F Januarys and 71°F Julys, a 34°F range, plus around 74.2 inches of precipitation across 136 days.
Rainfall in The Cliffs Valley splits evenly between the seasons: December tops out at 7.1 inches over 10.0 rainy days, and February logs 4.8 inches across 9.8 — neither half of The Cliffs Valley's year dominates. That even rhythm groups The Cliffs Valley with places like Tigerville, SC, Slater-Marietta, SC and Caesars Head, SC.
The cool-season window in The Cliffs Valley starts at March 27, when nights stop freezing — think peas, lettuce, spinach, and radishes. Warm-soil crops in The Cliffs Valley wait about two weeks past The Cliffs Valley's last frost, once the soil warms. It shuts near November 12, when freezes return to The Cliffs Valley and tender plants need cover. In about half of years, The Cliffs Valley's last freeze comes after March 27.
Similar climates: Tigerville, SC, Slater-Marietta, SC, Caesars Head, SC, Travelers Rest, SC, Landrum, SC.
Frequently asked
- When does it freeze in The Cliffs Valley?
- Frost typically leaves The Cliffs Valley by March 27 and returns to The Cliffs Valley near November 12.
- What is the rainy season in The Cliffs Valley?
- December is the wettest month in The Cliffs Valley, about 7.1 inches on average; the year totals roughly 74 inches.
- What is the warmest month in The Cliffs Valley?
- The Cliffs Valley peaks in July, when the mean runs near 71°F.
- What is the coldest month in The Cliffs Valley?
- January is The Cliffs Valley's coldest month, averaging about 36°F.
- When can I start a vegetable garden in The Cliffs Valley?
- Hardy spring crops go in near March 27 in The Cliffs Valley; tender peppers and squash wait 10–14 days.
- How many rainy days does The Cliffs Valley get?
- Expect roughly 136 wet days a year in The Cliffs Valley.
- What hardiness zone is The Cliffs Valley?
- Since January in The Cliffs Valley averages 36°F, The Cliffs Valley's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for The Cliffs Valley?
- The Cliffs Valley'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 The Cliffs Valley?
- See this week's day-by-day rain chances for The Cliffs Valley in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in The Cliffs Valley?
- Current conditions for The Cliffs Valley and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the The Cliffs Valley forecast updated?
- The The Cliffs Valley forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in The Cliffs Valley?
- Today's sunrise and sunset times for The Cliffs Valley 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 The Cliffs Valley?
- The next few days in The Cliffs Valley's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
The Cliffs Valley sits at 35.1°N; its climate zone is humid subtropical (Köppen approximation).
ZIP codes in The Cliffs Valley
- 29690