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

Weather in Chester, South Carolina

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

Chester, SC
Sunday, May 17 at 2:43 AM
69
°
Overcast
Feels like
69°
Humidity
62%
Wind
3 mph
Sunrise
6:20 AM
Sunset
8:21 PM
Chester, SC
Hour by hour · 24h
60°
10p
57°
11p
55°
12a
52°
1a
50°
2a
48°
3a
46°
4a
44°
5a
42°
6a
43°
7a
51°
8a
58°
9a
63°
10a
65°
11a
69°
12p
70°
1p
71°
2p
73°
3p
75°
4p
76°
5p
76°
6p
74°
7p
70°
8p
63°
9p
L 42°H 76°
Chester, SC
7-day forecast
  1. Today
    May 16
    Overcast
    83°51°
  2. Sunday
    May 17
    Overcast
    91°63°
  3. Monday
    May 18
    Mostly Clear
    93°66°
  4. Tuesday
    May 19
    Overcast
    91°60°
  5. Wednesday
    May 20
    Light Drizzle
    12%
    93°64°
  6. Thursday
    May 21
    Light Drizzle
    75%
    94°65°
  7. Friday
    May 22
    Light Drizzle
    75%
    82°67°
Chester, SC
Anemometer · 24h winds · from true
NESW
From · True
SE
141° · veering 144°
Direction
SE
141°
Sustained
3
mph
Gust
3
mph
Peak 24h
17
avg 5
Beaufort · 1 · LIGHT AIR
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 5 · pk 17 @ 2:00a
−24h−18h−12h−6hnow
A whisper of wind — leaves barely shift on the trees.
Chester, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
998.5
-0.1 mb in 3h · rising · 29.49 inHg
Now
998.5
mb
3h
-0.1
mb
12h
-2.8
mb
24h
-0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 9991002
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Chester, SC
Air quality
75
AQI
Moderate
PM 2.5
21.5 μg/m³
PM 10
22.8 μg/m³
NO₂
7.2 μg/m³
Ozone
82.0 μg/m³
UV Index
0.0 Low
Chester, SC
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:54 AM
Sunrise
6:20 AM
Daylight
14h 01m
Sunset
8:21 PM
Civil dusk
12:50 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Chester, SC
The moon
New Moon
0% illuminated
Moonrise
10:32 AM
Moonset
12:44 AM
In sign
♊︎ Gemini
Chester, 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 →

Chester at a glance

  • Today vs. normal: 8°F below the seasonal normal for this latitude
  • Last frost: March 15 (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 Chester

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.