Palmyra, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Palmyra weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast53%—75°62°—
- TuesdayJun 16Overcast——79°53°+4°
- WednesdayJun 17Drizzle29%—80°58°+1°
- ThursdayJun 18Drizzle52%—85°65°+5°
- FridayJun 19Drizzle30%0.03″75°60°-10°
- SaturdayJun 20Partly Cloudy——75°56°0°
- SundayJun 21Light Drizzle15%0.07″63°56°-12°
AQI 41 (Good), driven by Ozone. AQI down 38 over the last 6 hours — air quality is improving sharply. Ozone at AQI 33 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
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 33 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 around 1 PM.
- Present
- AQI 33
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
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
- 5:36 AM
- Moonset
- 8:52 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Palmyra at a glance
- Today vs. normal: 10°F below the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Palmyra
- Mon75°62°53%
- Tue79°53°2%
- Wed80°58°29%
- Thu85°65°52%
- Fri75°60°30%
- Sat75°56°4%
- Sun63°56°15%
- Mon75°59°33%
- Tue74°52°32%
- Wed76°58°15%
- Thu82°61°16%
- Fri81°63°39%
- Sat80°56°34%
- Sun82°63°43%
- Mon95°67°42%
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 — Palmyra
SPC has placed Palmyra 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 Palmyra
- 17078