Riviera Beach, Maryland Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Riviera Beach weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Heavy Showers29%0.56″101°77°—
- SundayJul 5Drizzle48%0.06″95°75°-6°
- MondayJul 6Thunderstorm73%—81°74°-14°
- TuesdayJul 7Thunderstorm73%0.02″84°74°+3°
- WednesdayJul 8Heavy Showers35%0.45″79°70°-5°
- ThursdayJul 9Partly Cloudy12%—92°72°+13°
- FridayJul 10Light Drizzle40%0.01″94°77°+2°
AQI 167 (Unhealthy), driven by Ozone. AQI up 107 in the last 6 hours — air quality is degrading. Ozone at AQI 133 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
LIMIT OUTDOORS Limit prolonged outdoor exertion. Sensitive groups should avoid outdoor exertion. Consider rescheduling outdoor activities until AQI improves.
What's driving it
Ozone × UV × Sky
Ozone at AQI 133 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 133
- UV peak
- 1.8 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 133
PM × Wind × Precip
PM2.5 at 11.1 µg/m³, PM10 at 12.0 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.92
- 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
- 10:58 PM
- Moonset
- 10:10 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Riviera Beach at a glance
- Today vs. normal: 27°F above the seasonal normal for this latitude
- Last frost: April 11 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Riviera Beach
- Sat101°77°29%
- Sun95°75°48%
- Mon81°74°73%
- Tue84°74°73%
- Wed79°70°35%
- Thu92°72°12%
- Fri94°77°40%
- Sat91°74°34%
- Sun83°74°22%
- Mon79°74°19%
- Tue88°71°19%
- Wed89°74°40%
- Thu93°76°42%
- Fri92°76°35%
- Sat91°75°35%
- Sun92°76°39%
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 — Riviera Beach
SPC has placed Riviera Beach 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
In Riviera Beach, July runs warmest near 78°F and January coldest around 32°F, while December is the wettest month (4.5 inches) and October the driest (3.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 32° | 3.8″ | 14 |
| February | 35° | 3.2″ | 14 |
| March | 43° | 3.8″ | 16 |
| April | 54° | 4.0″ | 17 |
| May | 62° | 3.8″ | 17 |
| June | 72° | 4.0″ | 17 |
| July | 78° | 3.2″ | 16 |
| August | 76° | 4.4″ | 17 |
| September | 70° | 3.9″ | 14 |
| October | 59° | 3.1″ | 12 |
| November | 46° | 4.0″ | 14 |
| December | 37° | 4.5″ | 15 |
Regional context
Riviera Beach's climate, from NOAA NCEI 1991-2020 station normals, pairs 32°F Januarys with 78°F Julys — a 46°F swing. About 45.6 inches of precipitation falls over roughly 184 days a year.
Riviera Beach's precipitation spreads evenly: December peaks at 4.5 inches on 14.9 wet days, while October holds 3.1 inches over 11.9 — no month dominates Riviera Beach's rain calendar. That lines Riviera Beach up with places like Pasadena, MD, Glen Burnie, MD and Lake Shore, MD, fed by overlapping storm tracks.
Riviera Beach's growing window opens around mid-April, once Riviera Beach's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Hold Riviera Beach's tender crops — tomatoes, peppers, basil — until 10-14 days past Riviera Beach's last frost. Riviera Beach's window closes around mid-November as overnight lows return below freezing. In Riviera Beach, low spots run 4-7°F colder than nearby slopes, nudging Riviera Beach's frost dates a week.
Similar climates: Pasadena, MD, Glen Burnie, MD, Lake Shore, MD, Severna Park, MD, Edgemere, MD.
Frequently asked
- When does it freeze in Riviera Beach?
- Frost typically leaves Riviera Beach by mid-April and returns to Riviera Beach near mid-November.
- What is the rainy season in Riviera Beach?
- Rainfall in Riviera Beach peaks in December near 4.5 inches, out of about 46 inches annually.
- What is the warmest month in Riviera Beach?
- July is Riviera Beach's warmest month, averaging about 78°F.
- What is the coldest month in Riviera Beach?
- Riviera Beach bottoms out in January, with a mean near 32°F.
- When can I start a vegetable garden in Riviera Beach?
- Frost-hardy sowings begin at mid-April in Riviera Beach; warm-season starts follow two weeks on.
- How many rainy days does Riviera Beach get?
- Expect roughly 184 wet days a year in Riviera Beach.
- What hardiness zone is Riviera Beach?
- Riviera Beach's USDA zone comes from its January mean (32°F); enter the ZIP on the USDA lookup for the number.
- What is the 10-day forecast for Riviera Beach?
- Riviera Beach'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 Riviera Beach?
- See this week's day-by-day rain chances for Riviera Beach in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Riviera Beach?
- Current conditions for Riviera Beach and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Riviera Beach forecast updated?
- The Riviera Beach forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Riviera Beach?
- Today's sunrise and sunset times for Riviera Beach 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 Riviera Beach?
- The next few days in Riviera Beach's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Riviera Beach, Maryland has a warm-summer humid continental climate: January averages roughly 32°F, July about 78°F, 46°F between them.
Rain and snow bring Riviera Beach roughly 46 inches a year across approximately 184 measurable-precipitation days.
Latitude 39.2°N gives Riviera Beach its 46°F swing, and with it the rhythm of Riviera Beach's growing season.
ZIP codes in Riviera Beach
- 21122
- 21226