Rising Sun-Lebanon, Delaware Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Rising Sun-Lebanon weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Rain16%0.08″101°78°—
- SundayJul 5Light Drizzle22%0.02″92°76°-9°
- MondayJul 6T-storm w/ Hail77%0.22″86°74°-6°
- TuesdayJul 7Thunderstorm77%—85°70°-1°
- WednesdayJul 8Drizzle33%—77°69°-8°
- ThursdayJul 9Overcast13%—90°68°+13°
- FridayJul 10Overcast34%—94°73°+4°
AQI 107 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 57 in the last 6 hours — air quality is degrading. Ozone at AQI 85. Overcast through the UV peak window (cloud cover ~98%) — 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 85. Overcast through the UV peak window (cloud cover ~98%) — afternoon ozone should stay flat.
- Present
- AQI 85
- UV peak
- 0.2 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 10
PM × Wind × Precip
PM scrubbed by 2 hours of recent rain — PM2.5 down to 6.8 µg/m³, PM10 to 7.2 µg/m³.
- PM2.5/PM10
- 0.94
- Wind
- light
- Recent rain
- 2h in last 6h
- Pattern
- washed out
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
- 10:54 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Rising Sun-Lebanon at a glance
- Today vs. normal: 22°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 — Rising Sun-Lebanon
- Sat101°78°16%
- Sun92°76°22%
- Mon86°74°77%
- Tue85°70°77%
- Wed77°69°33%
- Thu90°68°13%
- Fri94°73°34%
- Sat92°74°36%
- Sun84°72°23%
- Mon76°71°18%
- Tue88°68°16%
- Wed90°69°42%
- Thu93°71°39%
- Fri91°74°35%
- Sat96°71°33%
- Sun92°74°43%
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 — Rising Sun-Lebanon
SPC has placed Rising Sun-Lebanon 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
The year in Rising Sun-Lebanon tops out in July (~77°F) and dips lowest in January (~35°F), with September wettest at 4.8 inches and February driest at 2.9 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 35° | 3.6″ | 7 |
| February | 36° | 2.9″ | 6 |
| March | 43° | 4.0″ | 7 |
| April | 54° | 3.4″ | 7 |
| May | 63° | 3.7″ | 6 |
| June | 72° | 4.2″ | 7 |
| July | 77° | 4.0″ | 6 |
| August | 75° | 4.5″ | 5 |
| September | 68° | 4.8″ | 6 |
| October | 57° | 4.2″ | 6 |
| November | 47° | 3.2″ | 6 |
| December | 39° | 3.8″ | 7 |
Regional context
Rising Sun-Lebanon swings from 35°F in January to 77°F in July (42°F) per NOAA NCEI 1991-2020 normals; precipitation in Rising Sun-Lebanon runs about 46.3 inches on roughly 75 measurable days.
Rising Sun-Lebanon's precipitation spreads evenly: September peaks at 4.8 inches on 5.9 wet days, while February holds 2.9 inches over 5.6 — no month dominates Rising Sun-Lebanon's rain calendar. It is a balanced pattern Rising Sun-Lebanon shares with places like Highland Acres, DE, Dover Base Housing, DE and Kent Acres, DE.
Rising Sun-Lebanon reaches its last hard frost near mid-April; that is the cue for peas, lettuce, spinach, and radishes. Tomatoes and peppers do best set out two weeks later in Rising Sun-Lebanon, once nights clear the mid-40s°F. By mid-November, frost is back in Rising Sun-Lebanon — protect or harvest anything tender. A creek-bottom lot in Rising Sun-Lebanon can lag Rising Sun-Lebanon's last frost 7-10 days behind a south slope.
Similar climates: Highland Acres, DE, Dover Base Housing, DE, Kent Acres, DE, Magnolia, DE, Rodney Village, DE.
Frequently asked
- When does it freeze in Rising Sun-Lebanon?
- Frost typically leaves Rising Sun-Lebanon by mid-April and returns to Rising Sun-Lebanon near mid-November.
- What is the rainy season in Rising Sun-Lebanon?
- Rainfall in Rising Sun-Lebanon peaks in September near 4.8 inches, out of about 46 inches annually.
- What is the warmest month in Rising Sun-Lebanon?
- On average July tops the year in Rising Sun-Lebanon at about 77°F.
- What is the coldest month in Rising Sun-Lebanon?
- The coldest stretch in Rising Sun-Lebanon falls in January, around 35°F on average.
- When can I start a vegetable garden in Rising Sun-Lebanon?
- Hardy spring crops go in near mid-April in Rising Sun-Lebanon; tender peppers and squash wait 10–14 days.
- How many rainy days does Rising Sun-Lebanon get?
- Rising Sun-Lebanon records around 75 days of measurable precipitation annually.
- What hardiness zone is Rising Sun-Lebanon?
- With January around 35°F, Rising Sun-Lebanon's zone reflects that minimum — the USDA ZIP map confirms Rising Sun-Lebanon's band.
- What is the 10-day forecast for Rising Sun-Lebanon?
- Rising Sun-Lebanon'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 Rising Sun-Lebanon?
- See this week's day-by-day rain chances for Rising Sun-Lebanon in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Rising Sun-Lebanon?
- Current conditions for Rising Sun-Lebanon and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Rising Sun-Lebanon forecast updated?
- The Rising Sun-Lebanon forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Rising Sun-Lebanon?
- Today's sunrise and sunset times for Rising Sun-Lebanon 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 Rising Sun-Lebanon?
- The next few days in Rising Sun-Lebanon'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, Rising Sun-Lebanon, Delaware swings from 35°F in the heart of winter to 77°F at midsummer — a 42°F arc.
In a typical year Rising Sun-Lebanon records about 46 inches of precipitation on around 75 days.
Rising Sun-Lebanon sits at 39.1°N; that 42°F seasonal swing frames planting windows and frost dates across Rising Sun-Lebanon.
ZIP codes in Rising Sun-Lebanon
- 19934
- 19962
- 19901