Arcadia, South Carolina Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Arcadia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——78°53°—
- ThursdayJun 4Clear——84°57°+6°
- FridayJun 5Overcast——85°60°+1°
- SaturdayJun 6Overcast——86°62°+1°
- SundayJun 7Overcast——90°64°+4°
- MondayJun 8Drizzle35%—83°69°-7°
- TuesdayJun 9Light Drizzle35%0.02″78°61°-5°
Ozone at AQI 63 — peak already passed at 1 PM under clear skies. AQI down 5 over the last 6 hours (steady decline since this morning). Levels should ease through evening.
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 63 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 63
- UV peak
- 6.7 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 63
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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:00 AM
- Moonset
- 12:42 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Arcadia at a glance
- Today vs. normal: 78°F — typical for the season
- Last frost: March 17 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.
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
Arcadia's warmest month is July (~79°F mean) and its coldest is January (~43°F). Rainfall peaks in March (4.8 inches) and bottoms out in September (3.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 43° | 4.3″ | 7 |
| February | 46° | 3.8″ | 7 |
| March | 53° | 4.8″ | 7 |
| April | 61° | 4.3″ | 7 |
| May | 69° | 3.9″ | 6 |
| June | 76° | 4.6″ | 7 |
| July | 79° | 4.0″ | 7 |
| August | 78° | 4.6″ | 6 |
| September | 73° | 3.6″ | 5 |
| October | 62° | 3.9″ | 5 |
| November | 51° | 3.7″ | 6 |
| December | 45° | 4.7″ | 7 |
Regional context
Arcadia sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Charleston, SC, Columbia, SC, Greenville, SC, Myrtle Beach, SC, Rock Hill, SC.
Frequently asked
- When does it freeze in Arcadia?
- Arcadia's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Arcadia?
- March is the wettest month with about 4.8 inches of rain on average; the city receives roughly 50 inches annually.
- What is the warmest month in Arcadia?
- July is typically warmest, averaging about 79°F.
- What is the coldest month in Arcadia?
- January is typically coldest, averaging about 43°F.
- When can I start a vegetable garden in Arcadia?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Arcadia get?
- Arcadia averages about 77 rainy days per year.
- What hardiness zone is Arcadia?
- Arcadia's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Arcadia, South Carolina sits in a humid subtropical climate zone. January means hover near 43°F while July averages 79°F — a 37°F seasonal swing.
Across the year, Arcadia receives about 50 inches of precipitation spread over roughly 77 rainy days.
The rhythm of the year is set by latitude (35.0°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.