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

Weather in St. Martin, Ohio

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

St. Martin, OH
Sunday, May 17 at 5:08 AM
63
°
Overcast
Feels like
63°
Humidity
93%
Wind
8 mph
Sunrise
6:20 AM
Sunset
8:43 PM
St. Martin, OH
Hour by hour · 24h
45°
1a
44°
2a
42°
3a
41°
4a
40°
5a
39°
6a
39°
7a
44°
8a
51°
9a
57°
10a
62°
11a
63°
12p
64°
1p
64°
21%
2p
62°
23%
3p
61°
4p
65°
5p
65°
6p
65°
7p
64°
8p
61°
9p
59°
10p
57°
11p
57°
12a
L 39°H 65°
St. Martin, OH
7-day forecast
  1. Today
    May 17
    Light Drizzle
    52%
    86°61°
  2. Monday
    May 18
    Overcast
    11%
    89°64°
  3. Tuesday
    May 19
    Light Drizzle
    56%
    80°66°
  4. Wednesday
    May 20
    Light Rain
    64%
    68°54°
  5. Thursday
    May 21
    Overcast
    17%
    65°46°
  6. Friday
    May 22
    Drizzle
    32%
    67°55°
  7. Saturday
    May 23
    Light Showers
    45%
    71°64°
St. Martin, OH
Anemometer · 24h winds · from true
NESW
From · True
SW
216° · veering 40°
Direction
SW
216°
Sustained
8
mph
Gust
13
mph
Peak 24h
29
avg 9
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
avg 9 · pk 29 @ 9:00a
−24h−18h−12h−6hnow
Light breeze veering 40° from the sw.
St. Martin, OH
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
979.9
-1.4 mb in 3h · rising · 28.94 inHg
Now
979.9
mb
3h
-1.4
mb
12h
-1.1
mb
24h
+0.8
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 979982
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
St. Martin, OH
Air quality
36
AQI
Good
PM 2.5
9.2 μg/m³
PM 10
10.2 μg/m³
NO₂
7.4 μg/m³
Ozone
74.0 μg/m³
UV Index
0.0 Low
St. Martin, OH
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:52 AM
Sunrise
6:20 AM
Daylight
14h 23m
Sunset
8:43 PM
Civil dusk
1:14 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
St. Martin, OH
The moon
New Moon
0% illuminated
Moonrise
10:27 AM
Moonset
1:10 AM
In sign
♊︎ Gemini
St. Martin, OH
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 →

St. Martin at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: April 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

Warm-season window is open

As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.

ZIP codes in St. Martin

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.