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Now · 9:13 PM

Princeton Weather & Hourly Forecast

United States · Florida · 33032

Partly cloudy night
81°F
Partly cloudy night
Feels like: 87°F
💧 Humidity 81% 🌡 Pressure 30.06 inHg 💨 Wind 6 mph 👁 Visibility 8.4 mi Clouds 46% ☀️ UV index 1.0 · Low 🌅 Sunrise 🌇 Sunset

Hourly Forecast for Princeton

Today
Mostly clear night · 10:00 PM Mostly clear night
80° 💧 0.024 in 💨 7 mph H 82%30.09 inHg
Tomorrow
Light thunderstorms · 1:00 AM Light thunderstorms
76° 💧 0.081 in 💨 10 mph H 89%30.09 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
75° 💧 0.003 in 💨 5 mph H 96%30.03 inHg
Mostly clear night · 7:00 AM Mostly clear night
76° 💧 0.007 in 💨 5 mph H 95%30.03 inHg
Mostly sunny · 10:00 AM Mostly sunny
82° 💧 0.013 in 💨 8 mph H 81%30.06 inHg
Light rain · 1:00 PM Light rain
85° 💧 0.072 in 💨 11 mph H 73%30.03 inHg
Light rain · 4:00 PM Light rain
83° 💧 0.024 in 💨 8 mph H 76%30.00 inHg
Partly cloudy · 7:00 PM Partly cloudy
82° 💧 0.013 in 💨 5 mph H 77%30.00 inHg
Mostly clear night · 10:00 PM Mostly clear night
79° 💧 0.005 in 💨 5 mph H 87%30.03 inHg
Friday
Light thunderstorms · 1:00 AM Light thunderstorms
78° 💧 0.025 in 💨 4 mph H 90%30.03 inHg
Partly cloudy night · 4:00 AM Partly cloudy night
77° 💧 0.001 in 💨 4 mph H 89%30.00 inHg
Mostly clear night · 7:00 AM Mostly clear night
76° 💧 0.010 in 💨 2 mph H 93%29.97 inHg
Partly cloudy · 10:00 AM Partly cloudy
81° 💧 0.002 in 💨 3 mph H 81%30.03 inHg
Light thunderstorms · 1:00 PM Light thunderstorms
85° 💧 0.033 in 💨 5 mph H 70%30.00 inHg
Light thunderstorms · 4:00 PM Light thunderstorms
82° 💧 0.067 in 💨 4 mph H 79%29.94 inHg
Severe thunderstorms · 7:00 PM Severe thunderstorms
73° 💧 0.471 in 💨 7 mph H 95%30.00 inHg

In Princeton and, more broadly, across the state of Florida: Tonight, expect mostly clear skies with just a few clouds drifting by. Temperatures will stay warm, ranging from the mid-80s to around 86 degrees Fahrenheit. Winds will be light from the northeast, reaching up to 9 mph with occasional gusts up to 18 mph. No rain is anticipated during the evening hours, so conditions will remain dry and comfortable. It will stay warm through the night, making for a mild evening. Keep in mind that the wind could pick up slightly at times, but overall, conditions will be calm. It’s a good evening to enjoy outdoor activities, but remember to stay hydrated if you're outside for extended periods.

15-Day Weather Outlook for Princeton

TomorrowTomorrow Light thunderstorms Light thunderstorms 85°/75° 💧 None 💨 12 mph
Friday, Sep 18Fri Sep 18 Light thunderstorms Light thunderstorms 85°/73° 💧 None 💨 7 mph
Saturday, Sep 19Sat Sep 19 Light thunderstorms Light thunderstorms 83°/73° 💧 1.024 in 💨 5 mph
Sunday, Sep 20Sun Sep 20 Light thunderstorms Light thunderstorms 85°/73° 💧 0.813 in 💨 8 mph
Monday, Sep 21Mon Sep 21 Light thunderstorms Light thunderstorms 84°/73° 💧 0.581 in 💨 9 mph
Tuesday, Sep 22Tue Sep 22 Light thunderstorms Light thunderstorms 82°/75° 💧 0.217 in 💨 7 mph
Wednesday, Sep 23Wed Sep 23 Light thunderstorms Light thunderstorms 78°/76° 💧 0.594 in 💨 6 mph
Thursday, Sep 24Thu Sep 24 Light rain Light rain 77°/75° 💧 0.741 in 💨 4 mph
Friday, Sep 25Fri Sep 25 Moderate rain Moderate rain 78°/74° 💧 0.922 in 💨 5 mph
Saturday, Sep 26Sat Sep 26 Moderate rain Moderate rain 78°/74° 💧 0.864 in 💨 5 mph
Sunday, Sep 27Sun Sep 27 Light rain Light rain 86°/74° 💧 0.440 in 💨 5 mph
Monday, Sep 28Mon Sep 28 Moderate rain Moderate rain 78°/73° 💧 0.564 in 💨 7 mph
Tuesday, Sep 29Tue Sep 29 Light thunderstorms Light thunderstorms 78°/74° 💧 0.714 in 💨 6 mph
Wednesday, Sep 30Wed Sep 30 Overcast Overcast 79°/74° 💧 0.488 in 💨 2 mph
Thursday, Oct 1Thu Oct 1 Light rain Light rain 77°/76° 💧 0.384 in 💨 6 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Princeton

Vertical axis: °F · Color based on temperature
Mostly clear night at 10:00 PM
80° Today 10:00 PM
Light rain at 11:00 PM
80° 11:00 PM
Light rain at 12:00 AM
79° 12:00 AM
Light thunderstorms at 1:00 AM
76° 1:00 AM
Light rain at 2:00 AM
77° Tomorrow 2:00 AM
Mostly cloudy night at 3:00 AM
76° 3:00 AM
Mostly cloudy night at 4:00 AM
75° 4:00 AM
Partly cloudy night at 5:00 AM
75° 5:00 AM
Mostly clear night at 6:00 AM
76° Tomorrow 6:00 AM
Mostly clear night at 7:00 AM
76° 7:00 AM
Mostly sunny at 8:00 AM
76° 8:00 AM
Mostly sunny at 9:00 AM
79° 9:00 AM
Mostly sunny at 10:00 AM
82° Tomorrow 10:00 AM
Partly cloudy at 11:00 AM
84° 11:00 AM
Light rain at 12:00 PM
84° 12:00 PM
Light rain at 1:00 PM
85° 1:00 PM
Light thunderstorms at 2:00 PM
83° Tomorrow 2:00 PM
Light thunderstorms at 3:00 PM
81° 3:00 PM
Light rain at 4:00 PM
83° 4:00 PM
Light rain at 5:00 PM
83° 5:00 PM
Partly cloudy at 6:00 PM
83° Tomorrow 6:00 PM
Partly cloudy at 7:00 PM
82° 7:00 PM
Light thunderstorms at 8:00 PM
80° 8:00 PM
Light rain at 9:00 PM
80° 9:00 PM
Mostly clear night at 10:00 PM
79° Tomorrow 10:00 PM
Mostly clear night at 11:00 PM
79° 11:00 PM
Mostly clear night at 12:00 AM
78° 12:00 AM
Light thunderstorms at 1:00 AM
78° 1:00 AM
Light thunderstorms at 2:00 AM
77° Friday 2:00 AM
Partly cloudy night at 3:00 AM
77° 3:00 AM
Partly cloudy night at 4:00 AM
77° 4:00 AM
Mostly clear night at 5:00 AM
77° 5:00 AM
Clear night at 6:00 AM
76° Friday 6:00 AM
Mostly clear night at 7:00 AM
76° 7:00 AM
Light thunderstorms at 8:00 AM
76° 8:00 AM
Partly cloudy at 9:00 AM
78° 9:00 AM
Partly cloudy at 10:00 AM
81° Friday 10:00 AM
Partly cloudy at 11:00 AM
83° 11:00 AM
Mostly cloudy at 12:00 PM
85° 12:00 PM
Light thunderstorms at 1:00 PM
85° 1:00 PM
Light thunderstorms at 2:00 PM
85° Friday 2:00 PM
Light thunderstorms at 3:00 PM
84° 3:00 PM
Light thunderstorms at 4:00 PM
82° 4:00 PM
Light rain at 5:00 PM
83° 5:00 PM
Light rain at 6:00 PM
82° Friday 6:00 PM
Severe thunderstorms at 7:00 PM
73° 7:00 PM
Light thunderstorms at 8:00 PM
74° 8:00 PM
Light rain at 9:00 PM
73° 9:00 PM
Light rain at 10:00 PM
74° Friday 10:00 PM
Mostly cloudy night at 11:00 PM
73° 11:00 PM
Mostly cloudy night at 12:00 AM
73° 12:00 AM
Mostly cloudy night at 1:00 AM
73° 1:00 AM
Mostly cloudy night at 2:00 AM
73° Saturday 2:00 AM
Mostly cloudy night at 3:00 AM
74° 3:00 AM
Mostly clear night at 4:00 AM
74° 4:00 AM
Mist at night at 5:00 AM
74° 5:00 AM
Light thunderstorms at 6:00 AM
73° Saturday 6:00 AM
Light thunderstorms at 7:00 AM
73° 7:00 AM
Light rain at 8:00 AM
75° 8:00 AM
Moderate rain at 5:00 PM
83° 5:00 PM
Light rain at 8:00 PM
77° Saturday 8:00 PM
Partly cloudy night at 11:00 PM
76° 11:00 PM
Light rain at 2:00 AM
73° 2:00 AM
Mostly clear night at 5:00 AM
73° 5:00 AM
Light thunderstorms at 8:00 AM
73° Sunday 8:00 AM
Mostly cloudy at 11:00 AM
80° 11:00 AM
Light rain at 2:00 PM
85° 2:00 PM
Light rain at 5:00 PM
83° 5:00 PM
Light rain at 8:00 PM
74° Sunday 8:00 PM
Mostly clear night at 11:00 PM
73° 11:00 PM
Mostly cloudy night at 2:00 AM
74° 2:00 AM
Light thunderstorms at 5:00 AM
73° 5:00 AM
Light rain at 8:00 AM
73° Monday 8:00 AM
Light rain at 11:00 AM
82° 11:00 AM
Moderate rain at 2:00 PM
84° 2:00 PM
Light thunderstorms at 5:00 PM
79° 5:00 PM
Mostly cloudy night at 8:00 PM
76° Monday 8:00 PM
Overcast night at 11:00 PM
75° 11:00 PM
Light rain at 2:00 AM
76° 2:00 AM
Overcast night at 5:00 AM
75° 5:00 AM
Light rain at 8:00 AM
76° Tuesday 8:00 AM
Light rain at 11:00 AM
81° 11:00 AM
Light thunderstorms at 2:00 PM
80° 2:00 PM
Light rain at 8:00 PM
82° 8:00 PM
Overcast night at 2:00 AM
78° Wednesday 2:00 AM
Overcast at 8:00 AM
78° 8:00 AM
Light thunderstorms at 2:00 PM
76° 2:00 PM
Light thunderstorms at 8:00 PM
78° 8:00 PM
Overcast night at 2:00 AM
76° Thursday 2:00 AM
Overcast at 8:00 AM
75° 8:00 AM
Light rain at 2:00 PM
76° 2:00 PM
Light rain at 8:00 PM
77° 8:00 PM
Light rain at 2:00 AM
75° Friday 2:00 AM
Overcast at 8:00 AM
75° 8:00 AM
Overcast at 2:00 PM
74° 2:00 PM
Moderate rain at 8:00 PM
78° 8:00 PM
Moderate rain at 2:00 AM
76° Saturday 2:00 AM
Light rain at 8:00 AM
75° 8:00 AM
Moderate rain at 2:00 PM
74° 2:00 PM
Light rain at 8:00 PM
78° 8:00 PM
Light rain at 2:00 AM
75° Sunday 2:00 AM
Mostly cloudy at 8:00 AM
74° 8:00 AM
Mostly sunny at 2:00 PM
74° 2:00 PM
Light rain at 8:00 PM
86° 8:00 PM
Light rain at 2:00 AM
77° Monday 2:00 AM
Overcast at 8:00 AM
74° 8:00 AM
Mostly cloudy at 2:00 PM
73° 2:00 PM
Moderate rain at 8:00 PM
78° 8:00 PM
Overcast night at 2:00 AM
78° Tuesday 2:00 AM
Overcast at 8:00 AM
74° 8:00 AM
Partly cloudy at 2:00 PM
75° 2:00 PM
Light thunderstorms at 8:00 PM
78° 8:00 PM
Overcast night at 2:00 AM
77° Wednesday 2:00 AM
Overcast at 8:00 AM
74° 8:00 AM
Overcast at 2:00 PM
75° 2:00 PM
Overcast night at 8:00 PM
79° 8:00 PM
Light rain at 2:00 AM
77° Thursday 2:00 AM
Light rain at 8:00 AM
76° 8:00 AM
Overcast at 2:00 PM
77° 2:00 PM

AIR QUALITY FORECAST

Air Quality Forecast for Princeton

Hourly forecast · Updated every 2 hours
Good
Nearest forecast value 10:00 PM
PM2.5 Fine particles Good 1,1µg/m³

Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.

PM10 Particulate matter Good 3,3µg/m³

Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.

O₃ Ozone Good 58,1µg/m³

Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.

NO₂ Nitrogen dioxide Good 0,5µg/m³

A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.

Air quality is favorable for outdoor activities.

UV & HEALTH

UV, Sun & Health Outlook in Princeton

Maximum daily UV Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low 3–5 Moderate 6–7 High 8–10 Very high 11+ Extreme
Today UV 8,0Very high 😊Good
Tomorrow UV 7,0High 😊Good
Friday UV 7,0High 🙂Fair
Saturday UV 8,0Very high 🙂Fair
Sunday UV 7,0High 😊Good
Monday UV 6,0High Unavailable
Tuesday UV 7,0High Unavailable
Today's weather health advice Open today's recommendations.

Very high UV risk

Use SPF 50+ sunscreen, a hat and sunglasses. Seek shade and limit exposure around midday.

Good air quality

Air quality is good and outdoor activities can be enjoyed normally.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure. High humidity can make it feel hotter.

Best in the morning or late in the day

For walking, running or cycling, prefer the early morning or late afternoon.

WIND OUTLOOK

Hourly Wind Forecast for Princeton

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 10:00 PM 11:00 PM 12:00 AM 1:00 AM Tomorrow 2:00 AM 3:00 AM 4:00 AM 5:00 AM Tomorrow 6:00 AM 7:00 AM 8:00 AM 9:00 AM Tomorrow 10:00 AM 11:00 AM 12:00 PM 1:00 PM Tomorrow 2:00 PM 3:00 PM 4:00 PM 5:00 PM Tomorrow 6:00 PM 7:00 PM 8:00 PM 9:00 PM Tomorrow 10:00 PM 11:00 PM 12:00 AM 1:00 AM Friday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Friday 6:00 AM 7:00 AM 8:00 AM 9:00 AM Friday 10:00 AM 11:00 AM 12:00 PM 1:00 PM Friday 2:00 PM 3:00 PM 4:00 PM 5:00 PM Friday 6:00 PM 7:00 PM 8:00 PM 9:00 PM Friday 10:00 PM 11:00 PM 12:00 AM 1:00 AM Saturday 2:00 AM 3:00 AM 4:00 AM 5:00 AM Saturday 6:00 AM 7:00 AM 8:00 AM 5:00 PM Saturday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Sunday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Sunday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Monday 8:00 AM 11:00 AM 2:00 PM 5:00 PM Monday 8:00 PM 11:00 PM 2:00 AM 5:00 AM Tuesday 8:00 AM 11:00 AM 2:00 PM 8:00 PM Wednesday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Thursday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Friday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Saturday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Sunday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Monday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Tuesday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Wednesday 2:00 AM 8:00 AM 2:00 PM 8:00 PM Thursday 2:00 AM 8:00 AM 2:00 PM
Sustained wind Max gusts
NIGHT SKY · PRINCETON, FLORIDA

Tonight's Stargazing & Shooting Stars

Good observing conditions. Best local viewing window: 10:00 PM–11:00 PM.

76/100Best-hour score
BEST TIME TONIGHT 10:00 PM–11:00 PM Astronomical darkness: 8:41 PM–5:51 AM
Cloud cover 30% Real hourly forecast for the best viewing hour.
Moonlight 28% Waxing Crescent · Moon about 10° above the horizon at the best viewing hour.
Meteor activity September ε-Perseids Reference ZHR 8 · Radiant 7° high at the best hour.
Estimated visible meteors 0–1/hour Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min13%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING

Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.

Forecast data for Princeton were last refreshed today at 9:13 PM. The current forecast period extends through 18/09/2026 at 7:00 PM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.