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Now · 1:42 PM

Princeton Weather & Hourly Forecast

United States · Texas · 75407

90°F

Sunny

Feels like: 93°F

💧 Humidity 48% 🌡 Pressure 30.00 inHg 💨 Wind 7 mph 👁 Visibility 27.8 mi ☁ Clouds 0% ☀️ UV index 8.6 · Very high 🌅 Sunrise 7:13 AM 🌇 Sunset 7:24 PM

Hourly Forecast for Princeton

Today

2:00 PM

Sunny

90° 💧 0.001 in 💨 7 mph H 48%30.00 inHg

5:00 PM

Mostly sunny

92° 💧 0.003 in 💨 9 mph H 43%29.94 inHg

8:00 PM

Clear night

84° 💧 None 💨 8 mph H 56%29.97 inHg

11:00 PM

Clear night

81° 💧 None 💨 8 mph H 65%30.03 inHg

Tomorrow

2:00 AM

Mostly clear night

78° 💧 None 💨 8 mph H 71%30.06 inHg

5:00 AM

Clear night

75° 💧 None 💨 7 mph H 77%30.06 inHg

8:00 AM

Sunny

75° 💧 None 💨 8 mph H 80%30.09 inHg

11:00 AM

Mostly sunny

85° 💧 0.001 in 💨 10 mph H 60%30.12 inHg

2:00 PM

Overcast

90° 💧 0.001 in 💨 8 mph H 47%30.06 inHg

5:00 PM

Sunny

90° 💧 None 💨 10 mph H 44%30.00 inHg

8:00 PM

Overcast night

84° 💧 None 💨 7 mph H 55%30.03 inHg

11:00 PM

Mostly cloudy night

80° 💧 None 💨 6 mph H 62%30.09 inHg

Thursday

2:00 AM

Mostly cloudy night

78° 💧 None 💨 9 mph H 60%30.09 inHg

5:00 AM

Mostly cloudy night

74° 💧 None 💨 8 mph H 65%30.09 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 8 mph H 65%30.15 inHg

11:00 AM

Overcast

81° 💧 None 💨 9 mph H 50%30.15 inHg

Today

2:00 PM

Sunny

90° 💧 None 💨 7 mph H 48%30.00 inHg

3:00 PM

Sunny

92° 💧 0.000 in 💨 7 mph H 45%29.97 inHg

4:00 PM

Sunny

92° 💧 0.000 in 💨 8 mph H 44%29.94 inHg

5:00 PM

Mostly sunny

92° 💧 0.000 in 💨 9 mph H 43%29.94 inHg

6:00 PM

Mostly sunny

89° 💧 0.002 in 💨 9 mph H 47%29.94 inHg

7:00 PM

Sunny

87° 💧 0.001 in 💨 9 mph H 54%29.94 inHg

8:00 PM

Clear night

84° 💧 None 💨 8 mph H 56%29.97 inHg

9:00 PM

Clear night

83° 💧 None 💨 9 mph H 58%30.00 inHg

10:00 PM

Clear night

82° 💧 None 💨 8 mph H 61%30.00 inHg

11:00 PM

Clear night

81° 💧 None 💨 8 mph H 65%30.03 inHg

Tomorrow

12:00 AM

Clear night

80° 💧 None 💨 8 mph H 67%30.03 inHg

1:00 AM

Clear night

79° 💧 None 💨 8 mph H 69%30.03 inHg

2:00 AM

Mostly clear night

78° 💧 None 💨 8 mph H 71%30.06 inHg

3:00 AM

Partly cloudy night

77° 💧 None 💨 8 mph H 73%30.06 inHg

4:00 AM

Clear night

76° 💧 None 💨 7 mph H 75%30.06 inHg

5:00 AM

Clear night

75° 💧 None 💨 7 mph H 77%30.06 inHg

6:00 AM

Clear night

74° 💧 None 💨 7 mph H 79%30.06 inHg

7:00 AM

Clear night

74° 💧 None 💨 7 mph H 81%30.09 inHg

8:00 AM

Sunny

75° 💧 None 💨 8 mph H 80%30.09 inHg

9:00 AM

Sunny

78° 💧 None 💨 9 mph H 73%30.12 inHg

10:00 AM

Mostly sunny

81° 💧 None 💨 10 mph H 67%30.12 inHg

11:00 AM

Mostly sunny

85° 💧 None 💨 10 mph H 60%30.12 inHg

12:00 PM

Partly cloudy

87° 💧 None 💨 10 mph H 55%30.12 inHg

1:00 PM

Overcast

89° 💧 0.001 in 💨 8 mph H 50%30.09 inHg

2:00 PM

Overcast

90° 💧 None 💨 8 mph H 47%30.06 inHg

3:00 PM

Mostly cloudy

91° 💧 None 💨 9 mph H 45%30.03 inHg

4:00 PM

Mostly sunny

90° 💧 0.001 in 💨 9 mph H 44%30.03 inHg

5:00 PM

Sunny

90° 💧 None 💨 10 mph H 44%30.00 inHg

6:00 PM

Mostly sunny

89° 💧 None 💨 10 mph H 45%30.00 inHg

7:00 PM

Mostly sunny

86° 💧 None 💨 9 mph H 51%30.03 inHg

8:00 PM

Overcast night

84° 💧 None 💨 7 mph H 55%30.03 inHg

9:00 PM

Overcast night

82° 💧 None 💨 7 mph H 57%30.06 inHg

10:00 PM

Overcast night

81° 💧 None 💨 7 mph H 59%30.09 inHg

11:00 PM

Mostly cloudy night

80° 💧 None 💨 6 mph H 62%30.09 inHg

Thursday

12:00 AM

Overcast night

78° 💧 None 💨 6 mph H 64%30.09 inHg

1:00 AM

Overcast night

78° 💧 None 💨 8 mph H 62%30.09 inHg

2:00 AM

Mostly cloudy night

78° 💧 None 💨 9 mph H 60%30.09 inHg

3:00 AM

Overcast night

76° 💧 None 💨 8 mph H 62%30.09 inHg

4:00 AM

Mostly cloudy night

75° 💧 None 💨 8 mph H 63%30.09 inHg

5:00 AM

Mostly cloudy night

74° 💧 None 💨 8 mph H 65%30.09 inHg

6:00 AM

Mostly cloudy night

73° 💧 None 💨 8 mph H 65%30.12 inHg

7:00 AM

Partly cloudy night

73° 💧 None 💨 8 mph H 66%30.12 inHg

8:00 AM

Partly cloudy

73° 💧 None 💨 8 mph H 65%30.15 inHg

9:00 AM

Mostly cloudy

75° 💧 None 💨 9 mph H 60%30.15 inHg

10:00 AM

Overcast

78° 💧 None 💨 9 mph H 55%30.15 inHg

11:00 AM

Overcast

81° 💧 None 💨 9 mph H 50%30.15 inHg

12:00 PM

Mostly cloudy

84° 💧 None 💨 8 mph H 46%30.15 inHg

1:00 PM

Mostly cloudy

86° 💧 None 💨 7 mph H 43%30.12 inHg

2:00 PM

Mostly cloudy

88° 💧 None 💨 6 mph H 42%30.09 inHg

3:00 PM

Mostly sunny

89° 💧 None 💨 6 mph H 42%30.06 inHg

4:00 PM

Sunny

90° 💧 None 💨 7 mph H 39%30.03 inHg

5:00 PM

Sunny

90° 💧 None 💨 8 mph H 37%30.03 inHg

6:00 PM

Sunny

88° 💧 None 💨 9 mph H 37%30.03 inHg

7:00 PM

Sunny

85° 💧 None 💨 8 mph H 44%30.03 inHg

8:00 PM

Mostly clear night

81° 💧 None 💨 7 mph H 50%30.03 inHg

9:00 PM

Mostly cloudy night

80° 💧 None 💨 6 mph H 53%30.06 inHg

10:00 PM

Mostly cloudy night

79° 💧 None 💨 7 mph H 55%30.09 inHg

11:00 PM

Mostly cloudy night

77° 💧 None 💨 6 mph H 58%30.09 inHg

Friday

12:00 AM

Overcast night

76° 💧 None 💨 6 mph H 61%30.09 inHg

1:00 AM

Overcast night

75° 💧 None 💨 5 mph H 62%30.09 inHg

2:00 AM

Overcast night

74° 💧 None 💨 5 mph H 62%30.09 inHg

3:00 AM

Overcast night

73° 💧 None 💨 5 mph H 63%30.09 inHg

4:00 AM

Mostly cloudy night

72° 💧 None 💨 5 mph H 65%30.09 inHg

5:00 AM

Mostly clear night

71° 💧 None 💨 6 mph H 66%30.09 inHg

6:00 AM

Partly cloudy night

70° 💧 None 💨 6 mph H 68%30.09 inHg

7:00 AM

Clear night

69° 💧 None 💨 6 mph H 69%30.09 inHg

10:00 AM

Partly cloudy

78° 💧 None 💨 7 mph H 51%30.12 inHg

1:00 PM

Partly cloudy

87° 💧 None 💨 5 mph H 37%30.09 inHg

4:00 PM

Mostly sunny

90° 💧 None 💨 5 mph H 29%30.00 inHg

7:00 PM

Mostly cloudy

85° 💧 None 💨 6 mph H 35%29.97 inHg

10:00 PM

Overcast night

79° 💧 None 💨 5 mph H 47%30.03 inHg

Saturday

1:00 AM

Partly cloudy night

75° 💧 None 💨 5 mph H 53%30.00 inHg

4:00 AM

Partly cloudy night

72° 💧 None 💨 4 mph H 66%30.00 inHg

7:00 AM

Mostly clear night

71° 💧 None 💨 5 mph H 73%30.03 inHg

10:00 AM

Sunny

81° 💧 None 💨 6 mph H 50%30.03 inHg

1:00 PM

Mostly cloudy

90° 💧 None 💨 8 mph H 35%30.00 inHg

4:00 PM

Mostly sunny

93° 💧 None 💨 6 mph H 26%29.94 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 3 mph H 37%29.91 inHg

10:00 PM

Overcast night

82° 💧 None 💨 6 mph H 44%29.94 inHg

Sunday

1:00 AM

Clear night

79° 💧 None 💨 7 mph H 54%29.97 inHg

4:00 AM

Mostly clear night

77° 💧 None 💨 8 mph H 58%29.94 inHg

7:00 AM

Mostly clear night

75° 💧 None 💨 8 mph H 71%29.94 inHg

10:00 AM

Sunny

84° 💧 None 💨 8 mph H 61%29.97 inHg

1:00 PM

Mostly sunny

93° 💧 None 💨 8 mph H 39%29.94 inHg

4:00 PM

Mostly sunny

95° 💧 None 💨 7 mph H 34%29.85 inHg

7:00 PM

Partly cloudy

90° 💧 None 💨 5 mph H 40%29.83 inHg

10:00 PM

Mostly cloudy night

84° 💧 None 💨 5 mph H 45%29.85 inHg

Monday

1:00 AM

Clear night

82° 💧 None 💨 10 mph H 49%29.85 inHg

7:00 AM

Clear night

81° 💧 None 💨 6 mph H 48%29.85 inHg

1:00 PM

Mostly sunny

79° 💧 None 💨 7 mph H 59%29.85 inHg

7:00 PM

Mostly sunny

97° 💧 None 💨 8 mph H 30%29.80 inHg

Tuesday

1:00 AM

Mostly clear night

85° 💧 None 💨 9 mph H 58%29.74 inHg

7:00 AM

Mostly clear night

82° 💧 None 💨 11 mph H 57%29.77 inHg

1:00 PM

Mostly cloudy

79° 💧 None 💨 11 mph H 75%29.77 inHg

7:00 PM

Overcast

88° 💧 None 💨 11 mph H 49%29.77 inHg

Wednesday

1:00 AM

Overcast night

87° 💧 None 💨 6 mph H 46%29.68 inHg

7:00 AM

Mostly cloudy night

79° 💧 None 💨 12 mph H 70%29.71 inHg

1:00 PM

Moderate rain

72° 💧 None 💨 9 mph H 97%29.71 inHg

7:00 PM

Partly cloudy

81° 💧 None 💨 13 mph H 72%29.71 inHg

Thursday

1:00 AM

Moderate rain

73° 💧 None 💨 7 mph H 93%29.68 inHg

7:00 AM

Overcast night

71° 💧 None 💨 8 mph H 97%29.77 inHg

1:00 PM

Light rain

71° 💧 None 💨 7 mph H 96%29.77 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 5 mph H 79%29.80 inHg

Friday

1:00 AM

Light rain

72° 💧 None 💨 7 mph H 92%29.80 inHg

7:00 AM

Mostly cloudy night

69° 💧 None 💨 4 mph H 98%29.85 inHg

1:00 PM

Overcast

71° 💧 None 💨 4 mph H 92%29.85 inHg

7:00 PM

Light rain

79° 💧 None 💨 6 mph H 71%29.88 inHg

Saturday

1:00 AM

Mostly clear night

76° 💧 None 💨 3 mph H 81%29.83 inHg

7:00 AM

Clear night

71° 💧 None 💨 4 mph H 96%29.85 inHg

1:00 PM

Overcast

70° 💧 None 💨 3 mph H 99%29.85 inHg

7:00 PM

Mostly sunny

80° 💧 None 💨 5 mph H 72%29.88 inHg

Sunday

1:00 AM

Clear night

77° 💧 None 💨 5 mph H 78%29.83 inHg

7:00 AM

Clear night

71° 💧 None 💨 4 mph H 97%29.88 inHg

1:00 PM

Overcast

69° 💧 None 💨 3 mph H 99%29.91 inHg

7:00 PM

Light rain

81° 💧 None 💨 7 mph H 70%29.94 inHg

Monday

1:00 AM

Clear night

79° 💧 None 💨 3 mph H 75%29.88 inHg

7:00 AM

Partly cloudy night

73° 💧 None 💨 9 mph H 88%29.97 inHg

1:00 PM

Light rain

71° 💧 None 💨 9 mph H 96%30.00 inHg

7:00 PM

Partly cloudy

78° 💧 None 💨 10 mph H 70%30.03 inHg

Tuesday

1:00 AM

Mostly cloudy night

75° 💧 None 💨 10 mph H 71%30.00 inHg

7:00 AM

Mostly clear night

67° 💧 None 💨 8 mph H 77%30.06 inHg

1:00 PM

Overcast

66° 💧 None 💨 10 mph H 74%30.06 inHg

7:00 PM

Mostly cloudy

75° 💧 None 💨 10 mph H 62%30.09 inHg

Wednesday

1:00 AM

Mostly clear night

72° 💧 None 💨 8 mph H 64%30.03 inHg

In Princeton and, more broadly, across the state of Texas: Clear skies this morning give way to very hot conditions as the day progresses, with temperatures climbing between 73 and 99 degrees Fahrenheit. In the afternoon, the heat will intensify, and some brief showers may develop, bringing around 0.04 inches of rain. There is a moderate chance—up to 61%—for rain during the peak hours. Winds will remain light from the southwest, generally around 5 mph, with occasional gusts reaching up to 13 mph. Overall, expect a hot and mainly dry day with a brief window for rain in the late afternoon.

15-Day Weather Outlook for Princeton

TomorrowTomorrow

Mostly sunny 92°/74° 💧 None 💨 10 mph

Thursday, Sep 24Thu Sep 24

Overcast 90°/74° 💧 None 💨 9 mph

Friday, Sep 25Fri Sep 25

Mostly sunny 90°/69° 💧 0.004 in 💨 7 mph

Saturday, Sep 26Sat Sep 26

Partly cloudy 93°/71° 💧 None 💨 8 mph

Sunday, Sep 27Sun Sep 27

Mostly sunny 95°/75° 💧 None 💨 8 mph

Monday, Sep 28Mon Sep 28

Mostly sunny 97°/79° 💧 0.047 in 💨 10 mph

Tuesday, Sep 29Tue Sep 29

Mostly sunny 88°/79° 💧 0.010 in 💨 11 mph

Wednesday, Sep 30Wed Sep 30

Moderate rain 87°/72° 💧 1.419 in 💨 13 mph

Thursday, Oct 1Thu Oct 1

Moderate rain 78°/71° 💧 0.497 in 💨 8 mph

Friday, Oct 2Fri Oct 2

Light rain 79°/69° 💧 0.064 in 💨 7 mph

Saturday, Oct 3Sat Oct 3

Mostly sunny 80°/70° 💧 0.053 in 💨 5 mph

Sunday, Oct 4Sun Oct 4

Light rain 81°/69° 💧 0.064 in 💨 7 mph

Monday, Oct 5Mon Oct 5

Light rain 79°/71° 💧 0.053 in 💨 10 mph

Tuesday, Oct 6Tue Oct 6

Overcast 75°/66° 💧 None 💨 10 mph

Wednesday, Oct 7Wed Oct 7

Mostly sunny 72°/72° 💧 None 💨 8 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Princeton

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for Princeton

Hourly forecast · Updated every 2 hours

Moderate

Nearest forecast value 2:00 PM

PM2.5 Fine particles Good 8,2µg/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 10,0µg/m³

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

O₃ Ozone Moderate 115,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,2µg/m³

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

Sensitive people should reduce strenuous and prolonged outdoor exertion.

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 8,6Very high 😐Moderate

Tomorrow UV 7,8High 😐Moderate

Thursday UV 8,0Very high 😐Moderate

Friday UV 7,5High 😐Moderate

Saturday UV 7,0High 🙂Fair

Sunday UV 9,0Very high —Unavailable

Monday UV 8,0Very high —Unavailable

Hourly UV index today

2:00 PMUV 8,4 3:00 PMUV 7,0 4:00 PMUV 4,6 5:00 PMUV 2,0 6:00 PMUV 0,6 7:00 PMUV 0,0

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.

Caution for sensitive people

People with respiratory or cardiovascular conditions should reduce prolonged outdoor exertion.

Stay hydrated

Drink water regularly, especially during physical activity or prolonged sun exposure.

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

Sustained wind Max gusts

NIGHT SKY · PRINCETON, TEXAS

Tonight's Stargazing & Shooting Stars

Excellent observing conditions. Best local viewing window: 5:00 AM–6:00 AM.

99/100Best-hour score

BEST TIME TONIGHT 5:00 AM–6:00 AM Astronomical darkness: 8:45 PM–5:52 AM

☁ Cloud cover 2% Real hourly forecast for the best viewing hour.

☾ Moonlight 89% Waxing Gibbous · Moon below the horizon at the best viewing hour.

☄ Meteor activity Southern Taurids Reference ZHR 7 · Radiant 71° high at the best hour.

✦ Estimated visible meteors 1–4/hour Local estimate after weather, moonlight and radiant-height adjustments.

Chance ≥1 meteor in 30 min75%

UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.

SEP 20–NOV 20

Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak

ACTIVE NOW

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

NOV 6–NOV 30

LeonidsStart NOV 6 · Peak NOV 17 · End NOV 30 · ZHR 15 · 52% 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.

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Princeton were last refreshed today at 1:42 PM. The current forecast period extends through 24/09/2026 at 11:00 AM. 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.