Robinwood, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Robinwood weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain42%0.19″99°76°—
- SundayJul 5Rain38%0.26″94°74°-5°
- MondayJul 6Thunderstorm79%0.01″81°70°-13°
- TuesdayJul 7Heavy Showers79%2.0″86°65°+5°
- WednesdayJul 8Light Drizzle27%0.02″78°64°-8°
- ThursdayJul 9Overcast11%—91°64°+13°
- FridayJul 10Light Drizzle43%—85°67°-6°
AQI 85 (Moderate), driven by Ozone. AQI up 33 in the last 6 hours — air quality is degrading. Ozone at AQI 80 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
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 80 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 80
- UV peak
- 2.1 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 80
PM × Wind × Precip
PM2.5 at 8.1 µg/m³, PM10 at 9.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.90
- Wind
- light
- 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
- 11:03 PM
- Moonset
- 10:14 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Robinwood at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Robinwood
- Sat99°76°42%
- Sun94°74°38%
- Mon81°70°79%
- Tue86°65°79%
- Wed78°64°27%
- Thu91°64°11%
- Fri85°67°43%
- Sat88°67°29%
- Sun79°63°22%
- Mon81°63°16%
- Tue83°59°17%
- Wed89°60°40%
- Thu91°62°42%
- Fri86°66°38%
- Sat91°67°34%
- Sun84°69°44%
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 — Robinwood
SPC has placed Robinwood in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight 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.
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
The year in Robinwood tops out in July (~78°F) and dips lowest in January (~33°F), with September wettest at 3.8 inches and February driest at 2.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 33° | 2.5″ | 5 |
| February | 36° | 2.0″ | 5 |
| March | 43° | 3.0″ | 6 |
| April | 55° | 3.3″ | 7 |
| May | 64° | 3.5″ | 8 |
| June | 73° | 3.4″ | 7 |
| July | 78° | 2.9″ | 6 |
| August | 75° | 2.9″ | 6 |
| September | 68° | 3.8″ | 6 |
| October | 57° | 2.8″ | 5 |
| November | 46° | 2.6″ | 5 |
| December | 37° | 2.8″ | 5 |
Regional context
Drawing on NOAA NCEI 1991-2020 normals, Robinwood's January averages 33°F and July 78°F — 45°F apart — while precipitation totals roughly 35.6 inches over some 71 days.
No season owns Robinwood's rain: September reaches 3.8 inches across 6.2 days and February keeps 2.0 inches on 4.9, an even spread through Robinwood's year. That even rhythm groups Robinwood with places like Chewsville, MD, Funkstown, MD and Beaver Creek, MD.
Robinwood's growing window opens around mid-April, once Robinwood's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. In Robinwood, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Robinwood's frost date. It shuts near mid-November, when freezes return to Robinwood and tender plants need cover. Within Robinwood, cold-air pooling chills low spots by 5-10°F, shifting Robinwood's local frost dates.
Similar climates: Chewsville, MD, Funkstown, MD, Beaver Creek, MD, Hagerstown, MD, Mount Aetna, MD.
Frequently asked
- When does it freeze in Robinwood?
- In Robinwood, expect the last spring frost near mid-April; Robinwood's first autumn frost comes around mid-November.
- What is the rainy season in Robinwood?
- Rainfall in Robinwood peaks in September near 3.8 inches, out of about 36 inches annually.
- What is the warmest month in Robinwood?
- July is Robinwood's warmest month, averaging about 78°F.
- What is the coldest month in Robinwood?
- Robinwood bottoms out in January, with a mean near 33°F.
- When can I start a vegetable garden in Robinwood?
- Frost-hardy sowings begin at mid-April in Robinwood; warm-season starts follow two weeks on.
- How many rainy days does Robinwood get?
- Expect roughly 71 wet days a year in Robinwood.
- What hardiness zone is Robinwood?
- Robinwood's USDA zone comes from its January mean (33°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Robinwood?
- Robinwood'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 Robinwood?
- See this week's day-by-day rain chances for Robinwood in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Robinwood?
- Current conditions for Robinwood and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Robinwood forecast updated?
- The Robinwood forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Robinwood?
- Today's sunrise and sunset times for Robinwood 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 Robinwood?
- The next few days in Robinwood's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Robinwood, Maryland has a warm-summer humid continental climate: January averages roughly 33°F, July about 78°F, 45°F between them.
Rain and snow bring Robinwood roughly 36 inches a year across approximately 71 measurable-precipitation days.
Latitude 39.6°N gives Robinwood its 45°F swing, and with it the rhythm of Robinwood's growing season.
ZIP codes in Robinwood
- 21742