Towson, Maryland Weather
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Climate of Towson: monthly averages
Based on 25 years of satellite and reanalysis data (2001-2025), July is usually the hottest month in Towson, with average daytime highs around 30°C. January is the coolest, when nights typically fall to about -5°C and frost is possible on the coldest nights. That is a wide yearly range of roughly 35°C, so the seasons feel very different from each other.
The area receives about 1160 mm of rain in a typical year. Most of it falls from May to October (around 57% of the yearly total), and June is the wettest month at roughly 117 mm.
There is no long, mild season here; September usually comes closest to comfortable outdoor weather, with highs near 26°C.
| Month | Avg high | Avg low | Rainfall | Humidity |
|---|---|---|---|---|
| Jan | 3° | -5° | 70 mm | 84% |
| Feb | 5° | -4° | 71 mm | 82% |
| Mar | 10° | 0° | 85 mm | 80% |
| Apr | 17° | 5° | 94 mm | 77% |
| May | 22° | 12° | 106 mm | 79% |
| Jun | 27° | 17° | 117 mm | 76% |
| Jul | 30° | 20° | 114 mm | 70% |
| Aug | 30° | 19° | 106 mm | 70% |
| Sep | 26° | 15° | 113 mm | 72% |
| Oct | 19° | 8° | 109 mm | 77% |
| Nov | 12° | 2° | 81 mm | 80% |
| Dec | 5° | -2° | 96 mm | 85% |
Source: NASA POWER (MERRA-2 reanalysis), averaged over the roughly 50 km grid area around Towson. Values describe typical conditions, not a forecast.
About Towson weather
Towson is a place in Maryland's humid subtropical-to-continental climate along the Chesapeake Bay, located about 12 km north of Baltimore. Towson gets hot, humid summers (June–August) each year. Towson closes out the year with cool winters (December–February) with occasional snow. This page shows live, auto-refreshing weather for Towson: current conditions, an hourly breakdown, a 16-day outlook, a date-lookup tool for any past or future date, and real-time air quality, sourced from Open-Meteo. Local timezone: America/New_York.
Frequently asked questions
Towson is about 12 km north of Baltimore, in Maryland.
Towson sees cool winters (December–February) with occasional snow.
The live current conditions, hourly forecast and 16-day outlook above are pulled in real time for Towson's exact coordinates. No fixed schedule, the page updates whenever you load it.
July is usually the hottest month in Towson, with average daytime highs of about 30°C and nights around 20°C.
The coldest nights come in January, when the average low is about -5°C and daytime highs reach around 3°C. Frost is possible on clear, calm nights.
Towson receives about 1160 mm of rain in a typical year. June is the wettest month at roughly 117 mm, and the main rainy period is May to October.
There is no long mild season in Towson. September usually comes closest to comfortable outdoor weather.
In November Towson typically sees daytime highs near 12°C and lows near 2°C, with about 81 mm of rain over the month and average humidity around 80%. Check the live forecast above for this week's actual conditions.
Up to 16 days ahead using the extended forecast and date picker above; further-out or historical dates use the same date lookup tool.
The current temperature for Towson updates automatically at the top of this page — scroll to the hourly strip below to see how it's expected to change over the day.
Towson's day-to-day weather follows the broader pattern of Maryland described above. See the hourly weather forecast or the air quality index for more detail.