Weather StoryAlmanac, microseasons, and the day's weather story.

Weather in Summit, South Carolina

Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →

Summit, SC
Sunday, May 17 at 4:04 AM
68
°
Overcast
Feels like
70°
Humidity
83%
Wind
7 mph
Sunrise
6:22 AM
Sunset
8:21 PM
Summit, SC
Hour by hour · 24h
60°
12a
58°
1a
55°
2a
53°
3a
50°
4a
48°
5a
47°
6a
46°
7a
53°
8a
59°
9a
63°
10a
67°
11a
70°
12p
74°
1p
76°
2p
78°
3p
79°
4p
79°
5p
79°
6p
78°
7p
73°
8p
66°
9p
63°
10p
60°
11p
L 46°H 79°
Summit, SC
7-day forecast
  1. Today
    May 17
    Overcast
    92°66°
  2. Monday
    May 18
    Mostly Clear
    92°67°
  3. Tuesday
    May 19
    Overcast
    91°61°
  4. Wednesday
    May 20
    Overcast
    11%
    92°64°
  5. Thursday
    May 21
    Light Drizzle
    63%
    93°65°
  6. Friday
    May 22
    Light Drizzle
    67%
    90°65°
  7. Saturday
    May 23
    Overcast
    63%
    85°64°
Summit, SC
Anemometer · 24h winds · from true
NESW
From · True
S
171° · backing 52°
Direction
S
171°
Sustained
7
mph
Gust
17
mph
Peak 24h
17
avg 7
Beaufort · 2 · LIGHT 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
avg 7 · pk 17 @ 12:00a
−24h−18h−12h−6hnow
Light breeze backing 52° from the s.
Summit, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
996.5
-1.4 mb in 3h · falling · 29.43 inHg
Now
996.5
mb
3h
-1.4
mb
12h
-1.6
mb
24h
-0.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9961000
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Summit, SC
Air quality
73
AQI
Moderate
PM 2.5
10.2 μg/m³
PM 10
13.0 μg/m³
NO₂
2.8 μg/m³
Ozone
90.0 μg/m³
UV Index
0.0 Low
Summit, SC
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:57 AM
Sunrise
6:22 AM
Daylight
13h 59m
Sunset
8:21 PM
Civil dusk
12:49 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Summit, SC
The moon
New Moon
0% illuminated
Moonrise
10:35 AM
Moonset
12:43 AM
In sign
♊︎ Gemini
Summit, SC
Microseason · 28 of 72
May 16–20

Roses open on the Piedmont edge

insect
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Summit at a glance

  • Today vs. normal: 10°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.

ZIP codes in Summit

Climate normals from the Open-Meteo Climate API. Köppen approximation from NOAA NCEI U.S. Climate Regions. See methodology for data sources, editorial rules, and corrections. Maintainer: Brian Tighe.