Keyport, New Jersey Weather
Cicadas claim the afternoon. Day 15 of summer. Read this microseason across nine climate regions →
Keyport weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Rain74%0.19″85°73°—
- MondayJul 6Heavy Rain95%1.2″74°71°-11°
- TuesdayJul 7Light Showers90%0.06″71°65°-3°
- WednesdayJul 8Overcast21%—74°64°+3°
- ThursdayJul 9Overcast15%—81°63°+7°
- FridayJul 10Light Drizzle33%—88°69°+7°
- SaturdayJul 11Overcast23%—80°64°-8°
AQI 43 (Good), driven by PM2.5. AQI down 22 over the last 6 hours — air quality is improving sharply. PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 5 PM.
What's driving it
PM × Wind × Precip
PM2.5 at 18.5 µg/m³ (AQI 69) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:14 PM
- Moonset
- 11:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Keyport at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 19 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 07735
15-Day Forecast — Keyport
- Sun85°73°74%
- Mon74°71°95%
- Tue71°65°90%
- Wed74°64°21%
- Thu81°63°15%
- Fri88°69°33%
- Sat80°64°23%
- Sun79°61°21%
- Mon74°63°19%
- Tue81°61°12%
- Wed82°64°15%
- Thu91°66°29%
- Fri85°71°23%
- Sat83°68°32%
- Sun86°69°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, 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 — Keyport
SPC has placed Keyport in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3NONENo severe risk
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 186 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 Keyport's warmest stretch (~77°F) and January its coldest (~30°F); precipitation crests in December at 4.2 inches and ebbs in February to 3.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 3.4″ | 14 |
| February | 32° | 3.0″ | 13 |
| March | 41° | 3.7″ | 15 |
| April | 52° | 3.9″ | 17 |
| May | 61° | 3.7″ | 18 |
| June | 70° | 3.8″ | 17 |
| July | 77° | 3.5″ | 16 |
| August | 75° | 4.0″ | 17 |
| September | 69° | 3.6″ | 13 |
| October | 58° | 3.1″ | 11 |
| November | 44° | 3.7″ | 13 |
| December | 35° | 4.2″ | 13 |
Regional context
In Keyport, NOAA NCEI 1991-2020 normals put January near 30°F and July near 77°F — a 46°F seasonal arc — with about 43.6 inches of precipitation over 175 rainy or snowy days.
Keyport's precipitation spreads evenly: December peaks at 4.2 inches on 13.3 wet days, while February holds 3.0 inches over 12.5 — no month dominates Keyport's rain calendar. It is a balanced pattern Keyport shares with places like Cliffwood Beach, NJ, Union Beach, NJ and Matawan, NJ.
Keyport reaches its last hard frost near mid-April; that is the cue for peas, lettuce, spinach, and radishes. Keyport's heat-lovers — tomatoes, peppers, squash — hold off until Keyport's frost risk clears, 10-14 days on. By mid-November, frost is back in Keyport — protect or harvest anything tender. Keyport's low ground holds frost later into spring than Keyport's benches, which run 3-5 days ahead.
Similar climates: Cliffwood Beach, NJ, Union Beach, NJ, Matawan, NJ, Strathmore, NJ, Laurence Harbor, NJ.
Frequently asked
- When does it freeze in Keyport?
- In Keyport, expect the last spring frost near mid-April; Keyport's first autumn frost comes around mid-November.
- What is the rainy season in Keyport?
- Keyport sees its heaviest rain in December (around 4.2 inches), part of roughly 44 inches a year.
- What is the warmest month in Keyport?
- July is Keyport's warmest month, averaging about 77°F.
- What is the coldest month in Keyport?
- Keyport bottoms out in January, with a mean near 30°F.
- When can I start a vegetable garden in Keyport?
- Keyport's last frost (mid-April) cues hardy greens; in Keyport, hold heat-lovers two weeks past.
- How many rainy days does Keyport get?
- Keyport averages about 175 days with measurable rain or snow each year.
- What hardiness zone is Keyport?
- Keyport sits in the USDA zone set by January lows near 30°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Keyport?
- Keyport'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 Keyport?
- See this week's day-by-day rain chances for Keyport in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Keyport?
- Current conditions for Keyport and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Keyport forecast updated?
- The Keyport forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Keyport?
- Today's sunrise and sunset times for Keyport 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 Keyport?
- The next few days in Keyport's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Keyport, New Jersey has a warm-summer humid continental climate: January averages roughly 30°F, July about 77°F, 47°F between them.
In a typical year Keyport records about 44 inches of precipitation on around 175 days.
Latitude 40.4°N gives Keyport its 47°F swing, and with it the rhythm of Keyport's growing season.
Beaches near Keyport
- Jacob Riis Beach19.5 mi
- Rockaway Beach21.8 mi
Each linked page shows live water temperature, wave height, swim and surf verdicts, tides, and rip-current risk from NDBC + NOAA + NWS data.
ZIP codes in Keyport
- 07735