University Park, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
University Park weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Drizzle37%0.02″102°79°—
- SundayJul 5Heavy Rain52%1.6″98°75°-4°
- MondayJul 6Light Drizzle82%—85°75°-13°
- TuesdayJul 7Thunderstorm82%0.29″90°72°+5°
- WednesdayJul 8Light Rain38%0.20″78°70°-12°
- ThursdayJul 9Overcast13%—93°69°+15°
- FridayJul 10Drizzle42%0.06″93°73°0°
AQI 130 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 76 in the last 6 hours — air quality is degrading. Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 76. Overcast through the UV peak window (cloud cover ~100%) — afternoon ozone should stay flat.
- Present
- AQI 76
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 9
PM × Wind × Precip
PM2.5 at 11.2 µg/m³, PM10 at 11.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- 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
- 10:59 PM
- Moonset
- 10:12 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
University Park at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: April 10 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — University Park
- Sat102°79°37%
- Sun98°75°52%
- Mon85°75°82%
- Tue90°72°82%
- Wed78°70°38%
- Thu93°69°13%
- Fri93°73°42%
- Sat93°70°38%
- Sun83°71°22%
- Mon82°70°20%
- Tue88°67°17%
- Wed95°71°33%
- Thu95°72°37%
- Fri92°76°42%
- Sat95°73°44%
- Sun91°72°46%
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 — University Park
SPC has placed University Park in the Enhanced Risk category for severe thunderstorms today.
- TODAYENHEnhanced Risk
- TOMORROWSLGTSlight Risk
- DAY 3TSTMGeneral Thunderstorms
Numerous severe storms likely. Tornadoes, large hail, and damaging wind gusts possible across the area. Track NWS warnings if storms develop.
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.
Microseason · July 1–5
Cicadas claim the afternoon
Annual cicada buzz begins, peaking in the heat of the day.
Day 185 of 365 · Wedge 37 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
University Park peaks at about 78°F in July and bottoms near 32°F in January; August brings the heaviest rain (4.2 inches) and October the least (2.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 3.3″ | 13 |
| February | 35° | 2.8″ | 12 |
| March | 44° | 3.4″ | 15 |
| April | 55° | 3.7″ | 17 |
| May | 63° | 3.5″ | 18 |
| June | 72° | 3.9″ | 17 |
| July | 78° | 3.2″ | 17 |
| August | 77° | 4.2″ | 18 |
| September | 70° | 3.4″ | 14 |
| October | 59° | 2.6″ | 11 |
| November | 46° | 3.6″ | 12 |
| December | 37° | 3.9″ | 14 |
Regional context
University Park swings from 32°F in January to 78°F in July (46°F) per NOAA NCEI 1991-2020 normals; precipitation in University Park runs about 41.5 inches on roughly 175 measurable days.
University Park's precipitation spreads evenly: August peaks at 4.2 inches on 17.8 wet days, while October holds 2.6 inches over 11.1 — no month dominates University Park's rain calendar. That lines University Park up with places like Hyattsville, MD, Riverdale Park, MD and Edmonston, MD, fed by overlapping storm tracks.
Once University Park passes mid-April, overnight freezes fade and peas, lettuce, spinach, and radishes can be sown. Tomatoes and peppers do best set out two weeks later in University Park, once nights clear the mid-40s°F. The season ends by mid-November in University Park, once hard frosts set back in. A creek-bottom lot in University Park can lag University Park's last frost 7-10 days behind a south slope.
Similar climates: Hyattsville, MD, Riverdale Park, MD, Edmonston, MD, College Park, MD, North Brentwood, MD.
Frequently asked
- When does it freeze in University Park?
- In University Park, expect the last spring frost near mid-April; University Park's first autumn frost comes around mid-November.
- What is the rainy season in University Park?
- Rainfall in University Park peaks in August near 4.2 inches, out of about 42 inches annually.
- What is the warmest month in University Park?
- On average July tops the year in University Park at about 78°F.
- What is the coldest month in University Park?
- The coldest stretch in University Park falls in January, around 32°F on average.
- When can I start a vegetable garden in University Park?
- Around mid-April, start frost-hardy crops in University Park; tomatoes and basil belong a fortnight later.
- How many rainy days does University Park get?
- Expect roughly 175 wet days a year in University Park.
- What hardiness zone is University Park?
- Because University Park bottoms near 32°F in January, that winter low sets University Park's USDA zone — verify by ZIP.
- What is the 10-day forecast for University Park?
- University Park's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in University Park?
- See this week's day-by-day rain chances for University Park in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in University Park?
- Current conditions for University Park and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the University Park forecast updated?
- The University Park forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in University Park?
- Today's sunrise and sunset times for University Park are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for University Park?
- The next few days in University Park's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a warm-summer humid continental zone, University Park, Maryland swings from 32°F in the heart of winter to 78°F at midsummer — a 46°F arc.
Yearly precipitation in University Park totals around 42 inches, spread over about 175 days of rain or snow.
University Park sits at 39.0°N; that 46°F seasonal swing frames planting windows and frost dates across University Park.
ZIP codes in University Park
- 20782