Weather in Hummelstown, Pennsylvania
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
Hummelstown, PA
Sunday, May 17 at 2:59 AM
69
°
Mostly Clear
Feels like
69°
Humidity
68%
Wind
5 mph
Sunrise
5:49 AM
Sunset
8:16 PM
Hummelstown, PA
Hour by hour · 24h
51°
10p
51°
11p
50°
12a
50°
1a
49°
2a
49°
3a
49°
4a
49°
5a
50°
6a
51°
7a
53°
8a
55°
9a
58°
10a
60°
11a
63°
12p
64°
1p
67°
2p
68°
3p
69°
4p
70°
5p
71°
6p
70°
7p
67°
8p
63°
9p
Hummelstown, PA
7-day forecast
- TodayMay 16Overcast17%82°49°
- SundayMay 17Overcast15%87°60°
- MondayMay 18Drizzle12%95°64°
- TuesdayMay 19Showers—89°63°
- WednesdayMay 20Drizzle72%84°57°
- ThursdayMay 21Overcast27%69°46°
- FridayMay 22Drizzle37%55°47°
Hummelstown, PA
Next 24 hours · Cool now
Hummelstown, PA
Anemometer · 24h winds · from true
From · True
WSW
239° · veering 73°
Direction
WSW
239°
Sustained
5
mph
Gust
11
mph
Peak 24h
24
avg 6
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
Hummelstown, PA
Air quality
67
AQI
Moderate
- PM 2.5
- 8.3 μg/m³
- PM 10
- 8.8 μg/m³
- NO₂
- 6.6 μg/m³
- Ozone
- 78.0 μg/m³
- UV Index
- 0.0 Low
Hummelstown, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:20 AM
Sunrise
5:49 AM
Daylight
14h 27m
Sunset
8:16 PM
Civil dusk
12:48 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Hummelstown, PA
The moon
New Moon
0% illuminated
- Moonrise
- 9:53 AM
- Moonset
- 12:44 AM
- In sign
- ♊︎ Gemini
Hummelstown, PA
Microseason · 28 of 72
May 16–20
Roses open along the stoops
plant
Hummelstown at a glance
- Today vs. normal: 69°F — typical for the season
- 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.