North Chevy Chase, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
North Chevy Chase weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle36%—103°78°—
- SundayJul 5Heavy Rain73%0.42″100°75°-3°
- MondayJul 6Light Drizzle78%0.01″81°70°-19°
- TuesdayJul 7Light Drizzle75%—75°66°-6°
- WednesdayJul 8Overcast20%—86°61°+11°
- ThursdayJul 9Light Drizzle26%—93°69°+7°
- FridayJul 10Light Drizzle43%0.02″95°72°+2°
AQI 54 (Moderate), driven by Ozone. Ozone at AQI 78 now. With UV 6.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 71 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 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 78 now. With UV 6.8 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 71 around 1 PM.
- Present
- AQI 78
- UV peak
- 6.8 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 71
PM × Wind × Precip
PM2.5 at 10.6 µg/m³, PM10 at 11.4 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- light
- 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
- 11:00 PM
- Moonset
- 10:13 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
North Chevy Chase at a glance
- Today vs. normal: 18°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 — North Chevy Chase
- Sat103°78°36%
- Sun100°75°73%
- Mon81°70°78%
- Tue75°66°75%
- Wed86°61°20%
- Thu93°69°26%
- Fri95°72°43%
- Sat90°71°37%
- Sun80°70°23%
- Mon80°67°22%
- Tue85°68°18%
- Wed91°70°22%
- Thu98°74°29%
- Fri99°78°29%
- Sat83°75°19%
- Sun91°71°32%
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 — North Chevy Chase
SPC has placed North Chevy Chase 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
July is North Chevy Chase's warmest stretch (~78°F) and January its coldest (~32°F); precipitation crests in August at 4.2 inches and ebbs in October to 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 |
Frequently asked
- When does it freeze in North Chevy Chase?
- North Chevy Chase's last spring frost lands near mid-April, and in North Chevy Chase the first fall frost follows around mid-November.
- What is the rainy season in North Chevy Chase?
- Rainfall in North Chevy Chase peaks in August near 4.2 inches, out of about 42 inches annually.
- What is the warmest month in North Chevy Chase?
- North Chevy Chase peaks in July, when the mean runs near 78°F.
- What is the coldest month in North Chevy Chase?
- January is North Chevy Chase's coldest month, averaging about 32°F.
- When can I start a vegetable garden in North Chevy Chase?
- In North Chevy Chase, sow peas and hardy greens around mid-April; North Chevy Chase's tomatoes and peppers wait two weeks more.
- How many rainy days does North Chevy Chase get?
- North Chevy Chase records around 175 days of measurable precipitation annually.
- What hardiness zone is North Chevy Chase?
- Since January in North Chevy Chase averages 32°F, North Chevy Chase's USDA zone follows that floor — confirm it by ZIP.
- What is the 10-day forecast for North Chevy Chase?
- North Chevy Chase'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 North Chevy Chase?
- See this week's day-by-day rain chances for North Chevy Chase in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in North Chevy Chase?
- Current conditions for North Chevy Chase and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the North Chevy Chase forecast updated?
- The North Chevy Chase forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in North Chevy Chase?
- Today's sunrise and sunset times for North Chevy Chase 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 North Chevy Chase?
- The next few days in North Chevy Chase's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
The warm-summer humid continental climate of North Chevy Chase, Maryland carries typical Januarys near 32°F and Julys around 78°F — 46°F of seasonal travel.
Rain and snow bring North Chevy Chase roughly 42 inches a year across approximately 175 measurable-precipitation days.
North Chevy Chase sits at 39.0°N; that 46°F seasonal swing frames planting windows and frost dates across North Chevy Chase.
ZIP codes in North Chevy Chase
- 20815