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 5:14 AM
71
°
Overcast
Feels like
69°
Humidity
63%
Wind
10 mph
Sunrise
5:48 AM
Sunset
8:16 PM
Columbia, PA
Hour by hour · 24h
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
61°
10p
59°
11p
58°
12a
Columbia, PA
7-day forecast
- TodayMay 17Overcast15%88°61°
- MondayMay 18Light Showers—96°64°
- TuesdayMay 19Thunderstorm—88°64°
- WednesdayMay 20Showers82%85°58°
- ThursdayMay 21Overcast17%69°48°
- FridayMay 22Drizzle43%56°48°
- SaturdayMay 23Light Drizzle38%60°48°
Columbia, PA
Next 24 hours · Cool now
Columbia, PA
Anemometer · 24h winds · from true
From · True
W
260° · backing 108°
Direction
W
260°
Sustained
10
mph
Gust
25
mph
Peak 24h
25
avg 6
Beaufort · 3 · GENTLE 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
Columbia, PA
Air quality
55
AQI
Moderate
- PM 2.5
- 5.9 μg/m³
- PM 10
- 6.1 μg/m³
- NO₂
- 7.1 μg/m³
- Ozone
- 69.0 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
9:19 AM
Sunrise
5:48 AM
Daylight
14h 28m
Sunset
8:16 PM
Civil dusk
12:48 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
Columbia at a glance
- Today vs. normal: 71°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.