Niagara, Wisconsin Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Niagara weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——79°63°—
- SundayJul 5Overcast——81°56°+2°
- MondayJul 6Overcast——84°56°+3°
- TuesdayJul 7Thunderstorm36%—80°64°-4°
- WednesdayJul 8Heavy Showers60%1.7″71°57°-9°
- ThursdayJul 9Overcast52%—78°53°+7°
- FridayJul 10Overcast13%—78°53°0°
AQI 30 (Good), driven by Ozone. AQI flat over the last 6 hours (within ±3 points). Ozone at AQI 30. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
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 30. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
- Present
- AQI 30
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 7
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
- 10:55 PM
- Moonset
- 9:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Niagara at a glance
- Today vs. normal: 65°F — typical for the season
- Last frost: May 21 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 54151
15-Day Forecast — Niagara
- Sat79°63°3%
- Sun81°56°3%
- Mon84°56°1%
- Tue80°64°36%
- Wed71°57°60%
- Thu78°53°52%
- Fri78°53°13%
- Sat73°57°17%
- Sun75°59°11%
- Mon80°60°10%
- Tue71°58°12%
- Wed85°55°15%
- Thu77°61°32%
- Fri85°58°25%
- Sat81°50°17%
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 — Niagara
SPC includes Niagara in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWNONENo severe risk
- DAY 3NONENo severe risk
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
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 Niagara
- 54151