Cairnbrook, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Cairnbrook weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Light Drizzle19%0.01″63°52°—
- TuesdayJun 16Overcast——68°46°+5°
- WednesdayJun 17Light Drizzle13%—71°55°+3°
- ThursdayJun 18Showers77%0.43″74°59°+3°
- FridayJun 19Light Drizzle34%—67°55°-7°
- SaturdayJun 20Overcast——64°47°-3°
- SundayJun 21Light Drizzle27%0.06″59°51°-5°
AQI 30 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 31. Overcast through the UV peak window (cloud cover ~84%) — afternoon ozone should stay flat.
- Present
- AQI 31
- UV peak
- 5.5 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 11
PM × Wind × Precip
PM2.5 at 4.6 µg/m³, PM10 at 4.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.96
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:46 AM
- Moonset
- 9:01 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Cairnbrook at a glance
- Today vs. normal: 16°F below the seasonal normal for this latitude
- Last frost: April 17 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Cairnbrook
- Mon63°52°19%
- Tue68°46°2%
- Wed71°55°13%
- Thu74°59°77%
- Fri67°55°34%
- Sat64°47°9%
- Sun59°51°27%
- Mon58°54°39%
- Tue69°52°39%
- Wed73°48°25%
- Thu76°52°24%
- Fri79°53°36%
- Sat77°58°27%
- Sun81°65°42%
- Mon83°66°45%
- Tue79°62°35%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, 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 — Cairnbrook
SPC has placed Cairnbrook in the General Thunderstorms category for severe thunderstorms day after tomorrow.
- TODAYNONENo severe risk
- TOMORROWNONENo severe risk
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Cairnbrook
- 15924