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

Weather in Rockhill, Pennsylvania

Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →

Rockhill, PA
Sunday, May 17 at 4:03 AM
67
°
Partly Cloudy
Feels like
68°
Humidity
73%
Wind
4 mph
Sunrise
5:53 AM
Sunset
8:22 PM
Rockhill, PA
Hour by hour · 24h
50°
12a
50°
1a
50°
2a
50°
3a
50°
4a
50°
5a
48°
6a
49°
7a
51°
8a
54°
9a
57°
10a
60°
11a
62°
12p
64°
1p
66°
2p
69°
3p
70°
4p
70°
5p
69°
6p
66°
7p
63°
8p
61°
9p
59°
10p
57°
11p
L 48°H 70°
Rockhill, PA
7-day forecast
  1. Today
    May 17
    Light Drizzle
    17%
    84°60°
  2. Monday
    May 18
    Drizzle
    14%
    93°62°
  3. Tuesday
    May 19
    Light Drizzle
    11%
    91°62°
  4. Wednesday
    May 20
    Drizzle
    58%
    83°56°
  5. Thursday
    May 21
    Overcast
    14%
    69°44°
  6. Friday
    May 22
    Drizzle
    43%
    54°47°
  7. Saturday
    May 23
    Light Drizzle
    43%
    59°47°
Rockhill, PA
Anemometer · 24h winds · from true
NESW
From · True
SSW
201° · veering 57°
Direction
SSW
201°
Sustained
4
mph
Gust
13
mph
Peak 24h
21
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
avg 6 · pk 21 @ 11:00p
−24h−18h−12h−6hnow
Light breeze veering 57° from the ssw.
Rockhill, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
992.6
-0.5 mb in 3h · rising · 29.31 inHg
Now
992.6
mb
3h
-0.5
mb
12h
-0.7
mb
24h
-2.4
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 992996
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Rockhill, PA
Air quality
50
AQI
Good
PM 2.5
2.6 μg/m³
PM 10
2.9 μg/m³
NO₂
2.5 μg/m³
Ozone
89.0 μg/m³
UV Index
0.0 Low
Rockhill, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:25 AM
Sunrise
5:53 AM
Daylight
14h 29m
Sunset
8:22 PM
Civil dusk
12:53 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Rockhill, PA
The moon
New Moon
0% illuminated
Moonrise
9:58 AM
Moonset
12:49 AM
In sign
♊︎ Gemini
Rockhill, PA
Microseason · 28 of 72
May 16–20

Roses open along the stoops

plant
Jan 137% of the yearDec 31

Read this microseason across nine climate regions →

Rockhill at a glance

  • Today vs. normal: 4°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.

ZIP codes in Rockhill

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.