Towson, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Towson weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 3Mostly Clear——101°81°—
- SaturdayJul 4Light Showers37%0.86″103°77°+2°
- SundayJul 5Showers83%0.26″93°69°-10°
- MondayJul 6Light Drizzle83%0.02″82°69°-11°
- TuesdayJul 7Thunderstorm63%—85°67°+3°
- WednesdayJul 8Overcast35%—83°62°-2°
- ThursdayJul 9Light Drizzle24%0.04″73°69°-10°
AQI 87 (Moderate), driven by PM2.5. AQI down 37 over the last 6 hours — air quality is improving sharply. PM2.5 at 15.0 µg/m³ (AQI 62) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
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 35 now. With UV 0.0 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 8 around 1 PM.
- Present
- AQI 35
- UV peak
- 0.0 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 15.0 µg/m³ (AQI 62) with a 0.93 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.93
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 10:59 PM
- Moonset
- 10:10 AM
- In sign
- ♒︎ Aquarius
Cicadas claim the afternoon
Towson at a glance
- Today vs. normal: 15°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 21204, 21252, 21285, 21286
16-Day Forecast — Towson
- Fri101°81°1%
- Sat103°77°37%
- Sun93°69°83%
- Mon82°69°83%
- Tue85°67°63%
- Wed83°62°35%
- Thu73°69°24%
- Fri89°69°34%
- Sat77°68°32%
- Sun82°65°24%
- Mon87°69°17%
- Tue85°73°27%
- Wed86°69°33%
- Thu89°66°43%
- Fri101°73°43%
- Sat92°72°35%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Towson
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 — Towson
SPC has placed Towson in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3SLGTSlight Risk
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 Towson
- 21210
- 21212
- 21239
- 21286
- 21252
- 21209
- 21204
- 21285
- 21139
- 21284