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Weather in Clarendon, Pennsylvania

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

Clarendon, PA
Sunday, May 17 at 1:44 AM
61
°
Overcast
Feels like
63°
Humidity
92%
Wind
2 mph
Sunrise
5:55 AM
Sunset
8:30 PM
Clarendon, PA
Hour by hour · 24h
45°
9p
45°
10p
45°
11p
45°
12a
45°
1a
45°
2a
45°
3a
45°
4a
44°
5a
44°
6a
44°
7a
48°
8a
52°
9a
55°
10a
58°
11a
60°
12p
63°
1p
63°
2p
63°
3p
64°
4p
63°
5p
62°
6p
60°
7p
58°
8p
L 44°H 64°
Clarendon, PA
7-day forecast
  1. Today
    May 16
    Light Rain
    45%
    73°47°
  2. Sunday
    May 17
    Overcast
    21%
    80°57°
  3. Monday
    May 18
    Drizzle
    86°61°
  4. Tuesday
    May 19
    Light Drizzle
    25%
    85°62°
  5. Wednesday
    May 20
    Drizzle
    70%
    69°41°
  6. Thursday
    May 21
    Overcast
    65°36°
  7. Friday
    May 22
    Light Drizzle
    17%
    57°43°
Clarendon, PA
Anemometer · 24h winds · from true
NESW
From · True
S
169° · veering 37°
Direction
S
169°
Sustained
2
mph
Gust
18
mph
Peak 24h
25
avg 7
Beaufort · 1 · LIGHT AIR
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 7 · pk 25 @ 4:00p
−24h−18h−12h−6hnow
Light breeze veering 37° from the s.
Clarendon, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
963.8
-0.7 mb in 3h · falling · 28.46 inHg
Now
963.8
mb
3h
-0.7
mb
12h
+0.6
mb
24h
-0.5
mb
Regime · STORM
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 963965
−24h−18h−12h−6hnow
Deep low — expect rough seas, strong wind, and persistent rain.
Clarendon, PA
Air quality
46
AQI
Good
PM 2.5
1.8 μg/m³
PM 10
1.8 μg/m³
NO₂
2.0 μg/m³
Ozone
79.0 μg/m³
UV Index
0.0 Low
Clarendon, PA
Almanac · Sunday, May 17
When the dew is on the grass, rain will never come to pass.
Civil dawn
9:25 AM
Sunrise
5:55 AM
Daylight
14h 35m
Sunset
8:30 PM
Civil dusk
1:03 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Clarendon, PA
The moon
New Moon
0% illuminated
Moonrise
9:57 AM
Moonset
1:00 AM
In sign
♉︎ Taurus
Clarendon, 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 →

Clarendon at a glance

  • Today vs. normal: 9°F below the seasonal normal for this latitude
  • Last frost: April 27 (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 Clarendon

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.