Weather in St. Marys, Pennsylvania
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
St. Marys, PA
Sunday, May 17 at 1:46 AM
61
°
Overcast
Feels like
61°
Humidity
93%
Wind
6 mph
Sunrise
5:53 AM
Sunset
8:27 PM
St. Marys, PA
Hour by hour · 24h
43°
9p
44°
10p
44°
11p
43°
12a
43°
1a
43°
2a
44°
3a
44°
4a
44°
5a
43°
6a
45°
7a
47°
8a
51°
9a
54°
10a
57°
11a
59°
12p
61°
1p
63°
2p
65°
3p
65°
4p
63°
5p
62°
6p
61°
7p
60°
8p
St. Marys, PA
7-day forecast
- TodayMay 16Light Rain50%73°43°
- SundayMay 17Overcast19%77°55°
- MondayMay 18Light Drizzle—85°56°
- TuesdayMay 19Light Drizzle18%84°60°
- WednesdayMay 20Light Drizzle66%66°42°
- ThursdayMay 21Overcast—64°36°
- FridayMay 22Drizzle24%52°43°
St. Marys, PA
Next 24 hours · Cold now
St. Marys, PA
Anemometer · 24h winds · from true
From · True
SW
228° · backing 99°
Direction
SW
228°
Sustained
6
mph
Gust
20
mph
Peak 24h
28
avg 8
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
−24h−18h−12h−6hnow
St. Marys, PA
Air quality
49
AQI
Good
- PM 2.5
- 2.3 μg/m³
- PM 10
- 2.4 μg/m³
- NO₂
- 1.7 μg/m³
- Ozone
- 93.0 μg/m³
- UV Index
- 0.0 Low
St. Marys, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:23 AM
Sunrise
5:53 AM
Daylight
14h 34m
Sunset
8:27 PM
Civil dusk
12:59 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
St. Marys, PA
The moon
New Moon
0% illuminated
- Moonrise
- 9:56 AM
- Moonset
- 12:57 AM
- In sign
- ♉︎ Taurus
St. Marys, PA
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
St. Marys at a glance
- Today vs. normal: 9°F below the seasonal normal for this latitude
- Last frost: April 25 (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.