Swanton, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Swanton weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast26%—88°68°—
- SundayJul 5Heavy Drizzle37%0.04″87°68°-1°
- MondayJul 6Light Showers89%0.09″79°65°-8°
- TuesdayJul 7Light Drizzle56%—82°62°+3°
- WednesdayJul 8Light Showers20%0.01″74°61°-8°
- ThursdayJul 9Overcast13%—84°60°+10°
- FridayJul 10Light Drizzle61%0.05″71°66°-13°
AQI 59 (Moderate), driven by Ozone. AQI up 8 over the last 6 hours (gradual rise). Ozone at AQI 44. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.
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 44. Overcast through the UV peak window (cloud cover ~66%) — afternoon ozone should stay flat.
- Present
- AQI 44
- UV peak
- 0.4 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 5
PM × Wind × Precip
PM2.5 at 6.8 µg/m³, PM10 at 7.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- 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).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:10 PM
- Moonset
- 10:21 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Swanton at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 13 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 21561
16-Day Forecast — Swanton
- Sat88°68°26%
- Sun87°68°37%
- Mon79°65°89%
- Tue82°62°56%
- Wed74°61°20%
- Thu84°60°13%
- Fri71°66°61%
- Sat80°62°42%
- Sun73°59°30%
- Mon73°56°24%
- Tue77°53°19%
- Wed83°56°39%
- Thu83°59°42%
- Fri76°62°44%
- Sat78°66°42%
- Sun81°63°47%
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 — Swanton
SPC has placed Swanton in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal 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 Swanton
- 21561