Weather in Harleysville, Pennsylvania
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Harleysville, PA
Sunday, May 17 at 6:02 AM
66
°
Clear
Feels like
65°
Humidity
68%
Wind
7 mph
Sunrise
5:43 AM
Sunset
8:12 PM
Harleysville, PA
Hour by hour · 24h
51°
2a
51°
3a
52°
4a
50°
5a
50°
6a
51°
7a
52°
8a
53°
9a
55°
10a
59°
11a
59°
12p
62°
1p
63°
2p
63°
3p
64°
4p
65°
5p
64°
6p
64°
7p
62°
8p
58°
9p
55°
10p
53°
11p
52°
12a
50°
1a
Harleysville, PA
7-day forecast
- TodayMay 17Overcast—89°62°
- MondayMay 18Light Drizzle—93°64°
- TuesdayMay 19Thunderstorm—89°66°
- WednesdayMay 20Light Drizzle74%85°61°
- ThursdayMay 21Overcast19%72°50°
- FridayMay 22Light Drizzle30%56°49°
- SaturdayMay 23Overcast36%74°53°
Harleysville, PA
Next 24 hours · Cool now
Harleysville, PA
Anemometer · 24h winds · from true
From · True
WSW
239° · backing 121°
Direction
WSW
239°
Sustained
7
mph
Gust
15
mph
Peak 24h
24
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
−24h−18h−12h−6hnow
Harleysville, PA
Air quality
64
AQI
Moderate
- PM 2.5
- 10.4 μg/m³
- PM 10
- 10.6 μg/m³
- NO₂
- 10.0 μg/m³
- Ozone
- 81.0 μg/m³
- UV Index
- 0.0 Low
Harleysville, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:14 AM
Sunrise
5:43 AM
Daylight
14h 29m
Sunset
8:12 PM
Civil dusk
12:44 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Harleysville, PA
The moon
New Moon
0% illuminated
- Moonrise
- 9:48 AM
- Moonset
- 12:38 AM
- In sign
- ♊︎ Gemini
Harleysville, PA
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Harleysville at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 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
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.