Madison, Maryland Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Madison weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Overcast17%—81°71°—
- TuesdayJun 16Overcast——83°67°+2°
- WednesdayJun 17Thunderstorm14%—89°67°+6°
- ThursdayJun 18Light Rain41%0.12″96°74°+7°
- FridayJun 19Thunderstorm47%0.08″83°68°-13°
- SaturdayJun 20Overcast25%—79°65°-4°
- SundayJun 21Overcast——83°63°+4°
AQI 39 (Good), driven by Ozone. AQI down 6 over the last 6 hours (gradual decline). Ozone at AQI 48 now. With UV 8.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 57 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 10 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 48 now. With UV 8.9 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 57 around 1 PM.
- Present
- AQI 48
- UV peak
- 8.9 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 57
PM × Wind × Precip
PM2.5 at 4.6 µg/m³, PM10 at 4.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- 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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:42 AM
- Moonset
- 8:43 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Madison at a glance
- Today vs. normal: 77°F — typical for the season
- Last frost: April 7 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Madison
- Mon81°71°17%
- Tue83°67°1%
- Wed89°67°14%
- Thu96°74°41%
- Fri83°68°47%
- Sat79°65°25%
- Sun83°63°8%
- Mon76°63°28%
- Tue79°59°27%
- Wed81°60°17%
- Thu83°56°13%
- Fri85°59°32%
- Sat89°64°25%
- Sun92°70°17%
- Mon98°76°32%
- Tue100°73°35%
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 — Madison
SPC has placed Madison in the General Thunderstorms category for severe thunderstorms tomorrow.
- TODAYNONENo severe risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 Madison
- 21648
- 21677