Cortland, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Cortland weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Showers40%0.09″82°68°—
- SundayJul 5Heavy Drizzle18%0.04″81°65°-1°
- MondayJul 6Showers60%1.0″70°62°-11°
- TuesdayJul 7Light Showers51%0.02″73°62°+3°
- WednesdayJul 8Drizzle13%0.01″68°60°-5°
- ThursdayJul 9Light Drizzle31%0.02″79°61°+11°
- FridayJul 10Light Drizzle58%—77°63°-2°
AQI 47 (Good), driven by Ozone. AQI up 13 over the last 6 hours (gradual rise). Ozone at AQI 44 — peak already passed at 1 PM under overcast 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 44 — peak already passed at 1 PM under overcast skies. Levels should ease through evening.
- Present
- AQI 44
- UV peak
- 2.8 at earlier today
- Sky at peak
- overcast
- Projected peak
- AQI 44
PM × Wind × Precip
PM2.5 at 7.3 µg/m³, PM10 at 7.8 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- 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
- 11:02 PM
- Moonset
- 10:05 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Cortland at a glance
- Today vs. normal: 13°F above the seasonal normal for this latitude
- Last frost: May 2 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 13045
16-Day Forecast — Cortland
- Sat83°68°40%
- Sun81°65°18%
- Mon70°62°60%
- Tue73°62°51%
- Wed68°60°13%
- Thu79°61°31%
- Fri77°63°58%
- Sat74°61°25%
- Sun70°56°20%
- Mon74°54°30%
- Tue72°57°34%
- Wed76°53°36%
- Thu74°62°45%
- Fri82°61°48%
- Sat82°64°55%
- Sun71°65°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 — Cortland
SPC has placed Cortland in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
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.
ZIP codes in Cortland
- 13045