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

Weather in Columbia, Pennsylvania

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

Columbia, PA
Sunday, May 17 at 2:32 AM
70
°
Clear
Feels like
69°
Humidity
56%
Wind
3 mph
Sunrise
5:49 AM
Sunset
8:15 PM
Columbia, PA
Hour by hour · 24h
52°
10p
52°
11p
52°
12a
52°
1a
50°
2a
49°
3a
51°
4a
50°
5a
51°
6a
51°
7a
53°
8a
55°
9a
58°
10a
61°
11a
62°
12p
64°
1p
66°
2p
68°
3p
68°
4p
70°
5p
71°
6p
69°
7p
66°
8p
63°
9p
L 49°H 71°
Columbia, PA
7-day forecast
  1. Today
    May 16
    Overcast
    10%
    82°49°
  2. Sunday
    May 17
    Overcast
    16%
    85°61°
  3. Monday
    May 18
    Light Showers
    13%
    96°64°
  4. Tuesday
    May 19
    Thunderstorm
    13%
    88°64°
  5. Wednesday
    May 20
    Showers
    78%
    85°58°
  6. Thursday
    May 21
    Overcast
    31%
    69°48°
  7. Friday
    May 22
    Drizzle
    38%
    56°48°
Columbia, PA
Anemometer · 24h winds · from true
NESW
From · True
WSW
238° · veering 44°
Direction
WSW
238°
Sustained
3
mph
Gust
10
mph
Peak 24h
24
avg 6
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 6 · pk 24 @ 5:00p
−24h−18h−12h−6hnow
Light breeze veering 44° from the wsw.
Columbia, PA
Barometer · 24h pressure · mb
STORMRAINCHANGEFAIRDRY9901000101010201030
Pressure · mb
1001.6
-0.7 mb in 3h · rising · 29.58 inHg
Now
1001.6
mb
3h
-0.7
mb
12h
-2.7
mb
24h
-3.4
mb
Regime · RAIN
STORM
RAIN
CHANGE
FAIR
DRY
24h · Pressure · mb
range 10011007
−24h−18h−12h−6hnow
Pressure giving way — clouds thicken and rain edges closer.
Columbia, PA
Air quality
93
AQI
Moderate
PM 2.5
8.8 μg/m³
PM 10
9.1 μg/m³
NO₂
7.7 μg/m³
Ozone
93.0 μg/m³
UV Index
0.0 Low
Columbia, 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 26m
Sunset
8:15 PM
Civil dusk
12:47 AM
Planting note
Direct sow okra, melons, and southern peas. Thin carrot rows.
Columbia, PA
The moon
New Moon
0% illuminated
Moonrise
9:53 AM
Moonset
12:42 AM
In sign
♊︎ Gemini
Columbia, 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 →

Columbia at a glance

  • Today vs. normal: 70°F — typical for the season
  • Last frost: April 16 (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 Columbia

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.