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Weather in Llewellyn, Pennsylvania

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

Llewellyn, PA
Sunday, May 17 at 1:44 AM
72
°
Overcast
Feels like
71°
Humidity
53%
Wind
5 mph
Sunrise
5:46 AM
Sunset
8:16 PM
Llewellyn, PA
Hour by hour · 24h
47°
9p
47°
10p
47°
11p
46°
12a
46°
1a
46°
2a
46°
3a
47°
4a
46°
5a
46°
6a
48°
7a
50°
8a
53°
9a
54°
10a
56°
11a
60°
12p
63°
1p
64°
2p
65°
3p
66°
4p
67°
5p
69°
6p
67°
7p
64°
8p
L 46°H 69°
Llewellyn, PA
7-day forecast
  1. Today
    May 16
    Drizzle
    11%
    80°46°
  2. Sunday
    May 17
    Overcast
    12%
    85°61°
  3. Monday
    May 18
    Light Showers
    13%
    86°64°
  4. Tuesday
    May 19
    Drizzle
    13%
    89°62°
  5. Wednesday
    May 20
    Drizzle
    81%
    83°55°
  6. Thursday
    May 21
    Overcast
    23%
    68°46°
  7. Friday
    May 22
    Drizzle
    31%
    55°45°
Llewellyn, PA
Anemometer · 24h winds · from true
NESW
From · True
SW
230° · backing 105°
Direction
SW
230°
Sustained
5
mph
Gust
17
mph
Peak 24h
25
avg 5
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 5 · pk 25 @ 10:00p
−24h−18h−12h−6hnow
Light breeze backing 105° from the sw.
Llewellyn, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
987.7
0.0 mb in 3h · steady · 29.17 inHg
Now
987.7
mb
3h
0.0
mb
12h
-1.6
mb
24h
-1.9
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 986992
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Llewellyn, PA
Air quality
66
AQI
Moderate
PM 2.5
9.9 μg/m³
PM 10
10.7 μg/m³
NO₂
5.6 μg/m³
Ozone
81.0 μg/m³
UV Index
0.0 Low
Llewellyn, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:17 AM
Sunrise
5:46 AM
Daylight
14h 30m
Sunset
8:16 PM
Civil dusk
12:48 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Llewellyn, PA
The moon
New Moon
0% illuminated
Moonrise
9:50 AM
Moonset
12:44 AM
In sign
♉︎ Taurus
Llewellyn, 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 →

Llewellyn at a glance

  • Today vs. normal: 72°F — typical for the season
  • Last frost: April 20 (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 Llewellyn

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.