Alexandria, Pennsylvania Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Alexandria weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast14%—71°57°—
- TuesdayJun 16Overcast——77°51°+6°
- WednesdayJun 17Light Drizzle11%—79°55°+2°
- ThursdayJun 18Showers65%0.14″86°60°+7°
- FridayJun 19Light Drizzle34%—73°56°-13°
- SaturdayJun 20Overcast——70°51°-3°
- SundayJun 21Drizzle19%0.15″62°57°-8°
AQI 38 (Good), driven by Ozone. AQI down 7 over the last 6 hours (gradual decline). Ozone at AQI 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 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 34 now. With UV 3.3 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 11 around 1 PM.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 11
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
- 5:41 AM
- Moonset
- 9:00 PM
- In sign
- ♊︎ Gemini
Solstice approaches — longest light
Alexandria at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
15-Day Forecast — Alexandria
- Mon71°57°14%
- Tue77°51°2%
- Wed79°55°11%
- Thu86°60°65%
- Fri73°56°34%
- Sat70°51°3%
- Sun62°57°19%
- Mon78°56°34%
- Tue75°49°33%
- Wed81°58°17%
- Thu81°59°20%
- Fri85°58°32%
- Sat85°55°28%
- Sun75°58°35%
- Mon95°69°34%
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 — Alexandria
SPC has placed Alexandria 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 Alexandria
- 16611