Highfield-Cascade, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Highfield-Cascade weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Drizzle44%0.05″95°74°—
- SundayJul 5Overcast40%—90°74°-5°
- MondayJul 6Thunderstorm82%—80°68°-10°
- TuesdayJul 7Thunderstorm82%1.9″82°63°+2°
- WednesdayJul 8Drizzle31%0.04″76°62°-6°
- ThursdayJul 9Overcast12%—87°63°+11°
- FridayJul 10Overcast47%—84°65°-3°
AQI 93 (Moderate), driven by Ozone. AQI up 42 in the last 6 hours — air quality is degrading. Ozone at AQI 80 now. With UV 0.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 14 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 80 now. With UV 0.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 14 around 1 PM.
- Present
- AQI 80
- UV peak
- 0.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 14
PM × Wind × Precip
PM2.5 at 7.6 µg/m³, PM10 at 8.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 1h 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:03 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Highfield-Cascade at a glance
- Today vs. normal: 16°F above the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Highfield-Cascade
- Sat95°74°44%
- Sun90°74°40%
- Mon80°68°82%
- Tue82°63°82%
- Wed76°62°31%
- Thu87°63°12%
- Fri84°65°47%
- Sat86°65°29%
- Sun76°62°24%
- Mon77°63°17%
- Tue80°59°17%
- Wed85°60°40%
- Thu87°63°42%
- Fri83°66°38%
- Sat89°66°34%
- Sun80°67°44%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, 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 — Highfield-Cascade
SPC has placed Highfield-Cascade in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
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 Highfield-Cascade
- 21719