Mountain Lake Park, Maryland Weather
Fireflies rise from the lawn. Day 76 of spring. Read this microseason across nine climate regions →
Mountain Lake Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——69°45°—
- ThursdayJun 4Overcast——74°52°+5°
- FridayJun 5Overcast——79°54°+5°
- SaturdayJun 6Overcast40%—80°59°+1°
- SundayJun 7Heavy Drizzle46%0.05″72°58°-8°
- MondayJun 8Foggy17%—69°56°-3°
- TuesdayJun 9Clear12%—78°48°+9°
Ozone at AQI 61 — peak already passed at 1 PM under clear skies. AQI up 13 over the last 6 hours (gradual rise). Levels should ease through evening.
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 61 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 61
- UV peak
- 6.3 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 61
PM × Wind × Precip
PM2.5 at 6.3 µg/m³, PM10 at 7.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.85
- Wind
- light
- 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).
The higher the clouds, the finer the weather.
- Moonrise
- 3:05 AM
- Moonset
- 12:16 PM
- In sign
- ♑︎ Capricorn
Fireflies rise from the lawn
Mountain Lake Park at a glance
- Today vs. normal: 7°F below the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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.