Ithaca, New York Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Ithaca weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast47%—92°71°—
- SundayJul 5Overcast49%—85°67°-7°
- MondayJul 6Light Drizzle64%0.03″73°63°-12°
- TuesdayJul 7Overcast30%—78°59°+5°
- WednesdayJul 8Overcast——84°60°+6°
- ThursdayJul 9Light Drizzle44%—87°65°+3°
- FridayJul 10Light Drizzle38%0.01″80°67°-7°
AQI 39 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 45 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 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 7 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 45 now. With UV 4.7 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 20 around 1 PM.
- Present
- AQI 45
- UV peak
- 4.7 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 20
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
- 11:03 PM
- Moonset
- 10:06 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Ithaca at a glance
- Today vs. normal: 9°F above the seasonal normal for this latitude
- Last frost: May 1 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP codes: 14850, 14853
16-Day Forecast — Ithaca
- Sat89°71°47%
- Sun85°67°49%
- Mon73°63°64%
- Tue78°59°30%
- Wed84°60°8%
- Thu87°65°44%
- Fri80°67°38%
- Sat80°64°27%
- Sun76°65°34%
- Mon73°64°29%
- Tue77°60°34%
- Wed87°62°45%
- Thu88°68°39%
- Fri85°70°71%
- Sat82°68°52%
- Sun81°63°29%
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 — Ithaca
SPC has placed Ithaca 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 Ithaca
- 14853
- 14850
- 14851