Columbia, Pennsylvania Weather
Solstice approaches — longest light. Day 86 of spring. Read this microseason across nine climate regions →
Columbia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 13Overcast——89°68°—
- SundayJun 14Light Drizzle79%0.02″93°67°+4°
- MondayJun 15Overcast55%—73°53°-20°
- TuesdayJun 16Light Drizzle——77°55°+4°
- WednesdayJun 17Drizzle26%—77°59°0°
- ThursdayJun 18Light Drizzle42%—82°68°+5°
- FridayJun 19Light Showers32%0.25″74°63°-8°
AQI 33 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 33 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 6 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 33 now. With UV 5.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 33
- UV peak
- 5.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 22
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
Cut your thistles before St. John, you will have two instead of one.
- Moonrise
- 3:46 AM
- Moonset
- 7:39 PM
- In sign
- ♉︎ Taurus
Solstice approaches — longest light
Columbia at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 16 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Prune spring-blooming shrubs after flowers fade.
16-Day Forecast — Columbia
- Sat89°68°0%
- Sun93°67°79%
- Mon73°53°55%
- Tue77°55°7%
- Wed77°59°26%
- Thu82°68°42%
- Fri74°63°32%
- Sat79°53°7%
- Sun74°51°16%
- Mon71°63°28%
- Tue78°62°21%
- Wed77°53°27%
- Thu79°57°32%
- Fri72°63°36%
- Sat87°66°34%
- Sun85°68°32%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 13, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Columbia
SPC has placed Columbia in the Slight Risk category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWSLGTSlight Risk
- DAY 3NONENo severe risk
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Columbia
- 17512