Weather in Sumter, South Carolina
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
Sumter, SC
Sunday, May 17 at 2:43 AM
73
°
Overcast
Feels like
71°
Humidity
57%
Wind
8 mph
Sunrise
6:19 AM
Sunset
8:16 PM
Sumter, SC
Hour by hour · 24h
65°
10p
64°
11p
61°
12a
58°
1a
56°
2a
54°
3a
51°
4a
50°
5a
47°
6a
47°
7a
53°
8a
60°
9a
65°
10a
67°
11a
71°
12p
73°
1p
75°
2p
78°
3p
79°
4p
80°
5p
79°
6p
78°
7p
74°
8p
66°
9p
Sumter, SC
7-day forecast
- TodayMay 16Overcast—87°51°
- SundayMay 17Overcast—93°63°
- MondayMay 18Overcast—93°67°
- TuesdayMay 19Overcast—93°62°
- WednesdayMay 20Overcast11%90°64°
- ThursdayMay 21Light Drizzle59%92°67°
- FridayMay 22Overcast75%87°66°
Sumter, SC
Next 24 hours · Mild now
Sumter, SC
Anemometer · 24h winds · from true
From · True
SSE
162° · veering 30°
Direction
SSE
162°
Sustained
8
mph
Gust
15
mph
Peak 24h
20
avg 6
Beaufort · 3 · GENTLE BRZ
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
−24h−18h−12h−6hnow
Sumter, SC
Air quality
74
AQI
Moderate
- PM 2.5
- 10.0 μg/m³
- PM 10
- 13.0 μg/m³
- NO₂
- 2.3 μg/m³
- Ozone
- 101.0 μg/m³
- UV Index
- 0.0 Low
Sumter, SC
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:53 AM
Sunrise
6:19 AM
Daylight
13h 57m
Sunset
8:16 PM
Civil dusk
12:45 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Sumter, SC
The moon
New Moon
0% illuminated
- Moonrise
- 10:31 AM
- Moonset
- 12:39 AM
- In sign
- ♊︎ Gemini
Sumter, SC
Microseason · 28 of 72
May 16–20
Roses open on the Piedmont edge
insect
Sumter at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: March 11 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Peak growing season
As of May 17, 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.