Weather in King of Prussia, Pennsylvania
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
King of Prussia, PA
Sunday, May 17 at 4:56 AM
69
°
Partly Cloudy
Feels like
66°
Humidity
60%
Wind
10 mph
Sunrise
5:43 AM
Sunset
8:11 PM
King of Prussia, PA
Hour by hour · 24h
51°
12a
51°
1a
52°
2a
50°
3a
52°
4a
50°
5a
50°
6a
51°
7a
53°
8a
53°
9a
56°
10a
59°
11a
61°
12p
63°
1p
64°
2p
64°
3p
63°
4p
65°
5p
65°
6p
64°
7p
63°
8p
60°
9p
59°
10p
57°
11p
King of Prussia, PA
7-day forecast
- TodayMay 17Overcast—89°64°
- MondayMay 18Drizzle—94°65°
- TuesdayMay 19Light Showers—92°68°
- WednesdayMay 20Showers72%88°61°
- ThursdayMay 21Overcast26%74°53°
- FridayMay 22Drizzle29%62°49°
- SaturdayMay 23Light Drizzle37%56°50°
King of Prussia, PA
Next 24 hours · Cool now
King of Prussia, PA
Anemometer · 24h winds · from true
From · True
SW
214° · veering 7°
Direction
SW
214°
Sustained
10
mph
Gust
16
mph
Peak 24h
25
avg 8
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
−24h−18h−12h−6hnow
King of Prussia, PA
Air quality
77
AQI
Moderate
- PM 2.5
- 11.8 μg/m³
- PM 10
- 12.0 μg/m³
- NO₂
- 10.4 μg/m³
- Ozone
- 99.0 μg/m³
- UV Index
- 0.0 Low
King of Prussia, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:15 AM
Sunrise
5:43 AM
Daylight
14h 28m
Sunset
8:11 PM
Civil dusk
12:42 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
King of Prussia, PA
The moon
New Moon
0% illuminated
- Moonrise
- 9:49 AM
- Moonset
- 12:38 AM
- In sign
- ♊︎ Gemini
King of Prussia, PA
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
King of Prussia at a glance
- Today vs. normal: 3°F below the seasonal normal for this latitude
- Last frost: April 17 (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.