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

Weather in Mayo, South Carolina

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

Mayo, SC
Sunday, May 17 at 4:50 AM
66
°
Overcast
Feels like
66°
Humidity
67%
Wind
2 mph
Sunrise
6:21 AM
Sunset
8:25 PM
Mayo, SC
Hour by hour · 24h
53°
12a
51°
1a
49°
2a
47°
3a
45°
4a
44°
5a
42°
6a
42°
7a
49°
8a
56°
9a
60°
10a
64°
11a
66°
12p
68°
1p
70°
2p
73°
3p
74°
4p
75°
5p
75°
6p
73°
7p
69°
8p
64°
9p
62°
10p
59°
11p
L 42°H 75°
Mayo, SC
7-day forecast
  1. Today
    May 17
    Overcast
    89°62°
  2. Monday
    May 18
    Mostly Clear
    90°66°
  3. Tuesday
    May 19
    Overcast
    89°62°
  4. Wednesday
    May 20
    Overcast
    15%
    91°64°
  5. Thursday
    May 21
    Light Showers
    77%
    84°63°
  6. Friday
    May 22
    Light Drizzle
    77%
    70°61°
  7. Saturday
    May 23
    Overcast
    69%
    84°61°
Mayo, SC
Anemometer · 24h winds · from true
NESW
From · True
SE
139° · veering 43°
Direction
SE
139°
Sustained
2
mph
Gust
6
mph
Peak 24h
13
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 13 @ 10:00a
−24h−18h−12h−6hnow
Light breeze veering 43° from the se.
Mayo, SC
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.2
-0.1 mb in 3h · steady · 29.15 inHg
Now
987.2
mb
3h
-0.1
mb
12h
-1.3
mb
24h
0.0
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986990
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Mayo, SC
Air quality
65
AQI
Moderate
PM 2.5
16.3 μg/m³
PM 10
17.2 μg/m³
NO₂
5.9 μg/m³
Ozone
74.0 μg/m³
UV Index
0.0 Low
Mayo, SC
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:56 AM
Sunrise
6:21 AM
Daylight
14h 04m
Sunset
8:25 PM
Civil dusk
12:54 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Mayo, SC
The moon
New Moon
0% illuminated
Moonrise
10:33 AM
Moonset
12:48 AM
In sign
♊︎ Gemini
Mayo, 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 →

Mayo at a glance

  • Today vs. normal: 11°F below the seasonal normal for this latitude
  • Last frost: March 18 (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 Mayo

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.