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Now · 10:12 AM

Princeton Weather & Hourly Forecast

United States · Texas · 75407

88°F

Sunny

Feels like: 96°F

💧 Humidity 64% 🌡 Pressure 30.00 inHg 💨 Wind 10 mph 👁 Visibility 6.2 mi ☁ Clouds 0% ☀️ UV index 3.3 · Moderate 🌅 Sunrise 7:01 AM 🌇 Sunset 7:50 PM

Hourly Forecast for Princeton

Today

11:00 AM

Sunny

88° 💧 None 💨 10 mph H 64%30.00 inHg

2:00 PM

Sunny

94° 💧 0.01 in 💨 14 mph H 43%29.91 inHg

5:00 PM

Mostly cloudy

92° 💧 None 💨 21 mph H 44%29.85 inHg

8:00 PM

Clear night

80° 💧 None 💨 19 mph H 77%29.88 inHg

11:00 PM

Partly cloudy night

76° 💧 None 💨 17 mph H 86%29.94 inHg

Tomorrow

2:00 AM

Overcast night

75° 💧 None 💨 14 mph H 83%29.91 inHg

5:00 AM

Light rain

74° 💧 0.01 in 💨 13 mph H 91%29.91 inHg

8:00 AM

Mostly cloudy

76° 💧 None 💨 14 mph H 87%29.94 inHg

11:00 AM

Mostly cloudy

86° 💧 None 💨 19 mph H 61%29.94 inHg

2:00 PM

Overcast

89° 💧 None 💨 16 mph H 55%29.91 inHg

5:00 PM

Overcast

91° 💧 0.00 in 💨 19 mph H 55%29.85 inHg

8:00 PM

Partly cloudy night

82° 💧 None 💨 11 mph H 68%29.88 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 9 mph H 73%29.91 inHg

Friday

2:00 AM

Clear night

75° 💧 None 💨 7 mph H 78%29.91 inHg

5:00 AM

Clear night

74° 💧 None 💨 8 mph H 79%29.91 inHg

8:00 AM

Sunny

76° 💧 None 💨 9 mph H 81%29.94 inHg

Today

11:00 AM

Sunny

88° 💧 None 💨 10 mph H 64%30.00 inHg

12:00 PM

Sunny

89° 💧 None 💨 10 mph H 59%30.00 inHg

1:00 PM

Sunny

91° 💧 None 💨 11 mph H 51%29.94 inHg

2:00 PM

Sunny

94° 💧 None 💨 14 mph H 43%29.91 inHg

3:00 PM

Light rain

98° 💧 0.00 in 💨 15 mph H 38%29.85 inHg

4:00 PM

Light rain

97° 💧 0.01 in 💨 18 mph H 39%29.85 inHg

5:00 PM

Mostly cloudy

92° 💧 None 💨 21 mph H 44%29.85 inHg

6:00 PM

Partly cloudy

91° 💧 None 💨 22 mph H 48%29.85 inHg

7:00 PM

Partly cloudy

87° 💧 None 💨 22 mph H 62%29.88 inHg

8:00 PM

Clear night

80° 💧 None 💨 19 mph H 77%29.88 inHg

9:00 PM

Mostly clear night

78° 💧 None 💨 18 mph H 80%29.91 inHg

10:00 PM

Mostly clear night

77° 💧 None 💨 17 mph H 86%29.94 inHg

11:00 PM

Partly cloudy night

76° 💧 None 💨 17 mph H 86%29.94 inHg

Tomorrow

12:00 AM

Partly cloudy night

76° 💧 None 💨 16 mph H 86%29.94 inHg

1:00 AM

Mostly cloudy night

75° 💧 None 💨 14 mph H 84%29.94 inHg

2:00 AM

Overcast night

75° 💧 None 💨 14 mph H 83%29.91 inHg

3:00 AM

Overcast night

75° 💧 None 💨 13 mph H 83%29.91 inHg

4:00 AM

Overcast night

74° 💧 None 💨 14 mph H 88%29.91 inHg

5:00 AM

Light rain

74° 💧 0.01 in 💨 13 mph H 91%29.91 inHg

6:00 AM

Overcast night

74° 💧 None 💨 12 mph H 90%29.91 inHg

7:00 AM

Overcast night

74° 💧 None 💨 13 mph H 90%29.91 inHg

8:00 AM

Mostly cloudy

76° 💧 None 💨 14 mph H 87%29.94 inHg

9:00 AM

Mostly cloudy

80° 💧 None 💨 17 mph H 79%29.94 inHg

10:00 AM

Mostly cloudy

83° 💧 None 💨 19 mph H 68%29.94 inHg

11:00 AM

Mostly cloudy

86° 💧 None 💨 19 mph H 61%29.94 inHg

12:00 PM

Mostly cloudy

86° 💧 None 💨 19 mph H 59%29.94 inHg

1:00 PM

Mostly cloudy

87° 💧 None 💨 17 mph H 56%29.94 inHg

2:00 PM

Overcast

89° 💧 None 💨 16 mph H 55%29.91 inHg

3:00 PM

Overcast

91° 💧 None 💨 17 mph H 52%29.88 inHg

4:00 PM

Overcast

91° 💧 None 💨 17 mph H 50%29.85 inHg

5:00 PM

Overcast

91° 💧 None 💨 19 mph H 55%29.85 inHg

6:00 PM

Light rain

89° 💧 0.00 in 💨 16 mph H 62%29.85 inHg

7:00 PM

Overcast

86° 💧 None 💨 15 mph H 62%29.88 inHg

8:00 PM

Partly cloudy night

82° 💧 None 💨 11 mph H 68%29.88 inHg

9:00 PM

Partly cloudy night

79° 💧 None 💨 9 mph H 73%29.88 inHg

10:00 PM

Mostly clear night

78° 💧 None 💨 9 mph H 73%29.91 inHg

11:00 PM

Mostly clear night

78° 💧 None 💨 9 mph H 73%29.91 inHg

Friday

12:00 AM

Mostly clear night

77° 💧 None 💨 8 mph H 74%29.91 inHg

1:00 AM

Mostly clear night

76° 💧 None 💨 7 mph H 77%29.91 inHg

2:00 AM

Clear night

75° 💧 None 💨 7 mph H 78%29.91 inHg

3:00 AM

Clear night

75° 💧 None 💨 7 mph H 77%29.91 inHg

4:00 AM

Clear night

75° 💧 None 💨 8 mph H 77%29.91 inHg

5:00 AM

Clear night

74° 💧 None 💨 8 mph H 79%29.91 inHg

6:00 AM

Clear night

74° 💧 None 💨 7 mph H 82%29.91 inHg

7:00 AM

Clear night

74° 💧 None 💨 7 mph H 85%29.91 inHg

8:00 AM

Sunny

76° 💧 None 💨 9 mph H 81%29.94 inHg

9:00 AM

Sunny

82° 💧 None 💨 11 mph H 67%29.97 inHg

10:00 AM

Mostly sunny

86° 💧 None 💨 12 mph H 55%29.97 inHg

11:00 AM

Partly cloudy

90° 💧 None 💨 12 mph H 48%29.97 inHg

12:00 PM

Partly cloudy

92° 💧 None 💨 11 mph H 43%29.97 inHg

1:00 PM

Partly cloudy

95° 💧 None 💨 11 mph H 38%29.94 inHg

2:00 PM

Sunny

97° 💧 None 💨 11 mph H 34%29.88 inHg

3:00 PM

Mostly sunny

99° 💧 None 💨 11 mph H 32%29.85 inHg

4:00 PM

Partly cloudy

99° 💧 None 💨 10 mph H 32%29.85 inHg

5:00 PM

Mostly cloudy

96° 💧 None 💨 11 mph H 34%29.85 inHg

6:00 PM

Mostly cloudy

94° 💧 None 💨 10 mph H 36%29.85 inHg

7:00 PM

Mostly cloudy

93° 💧 None 💨 8 mph H 38%29.85 inHg

8:00 PM

Overcast night

91° 💧 None 💨 9 mph H 40%29.85 inHg

9:00 PM

Mostly cloudy night

89° 💧 None 💨 9 mph H 43%29.88 inHg

10:00 PM

Mostly cloudy night

86° 💧 None 💨 9 mph H 48%29.88 inHg

11:00 PM

Partly cloudy night

84° 💧 None 💨 8 mph H 52%29.88 inHg

Saturday

12:00 AM

Partly cloudy night

84° 💧 None 💨 9 mph H 53%29.88 inHg

1:00 AM

Partly cloudy night

83° 💧 None 💨 11 mph H 54%29.91 inHg

2:00 AM

Clear night

82° 💧 None 💨 10 mph H 58%29.91 inHg

3:00 AM

Clear night

81° 💧 None 💨 9 mph H 62%29.91 inHg

4:00 AM

Clear night

81° 💧 None 💨 8 mph H 65%29.91 inHg

5:00 AM

Clear night

80° 💧 None 💨 7 mph H 67%29.91 inHg

6:00 AM

Mostly clear night

80° 💧 None 💨 7 mph H 68%29.91 inHg

7:00 AM

Mostly clear night

79° 💧 None 💨 5 mph H 70%29.91 inHg

8:00 AM

Partly cloudy

82° 💧 None 💨 6 mph H 64%29.94 inHg

9:00 AM

Partly cloudy

86° 💧 None 💨 8 mph H 56%29.94 inHg

10:00 AM

Partly cloudy

90° 💧 None 💨 8 mph H 49%29.94 inHg

11:00 AM

Partly cloudy

93° 💧 None 💨 8 mph H 42%29.94 inHg

12:00 PM

Partly cloudy

96° 💧 None 💨 8 mph H 36%29.94 inHg

1:00 PM

Partly cloudy

98° 💧 None 💨 8 mph H 33%29.91 inHg

2:00 PM

Overcast

98° 💧 None 💨 6 mph H 32%29.88 inHg

3:00 PM

Overcast

97° 💧 None 💨 6 mph H 32%29.85 inHg

4:00 PM

Overcast

98° 💧 None 💨 10 mph H 31%29.85 inHg

5:00 PM

Mostly cloudy

99° 💧 None 💨 10 mph H 30%29.83 inHg

6:00 PM

Mostly cloudy

98° 💧 None 💨 11 mph H 30%29.83 inHg

7:00 PM

Mostly cloudy

96° 💧 None 💨 11 mph H 32%29.83 inHg

8:00 PM

Clear night

90° 💧 None 💨 9 mph H 40%29.83 inHg

9:00 PM

Clear night

88° 💧 None 💨 9 mph H 44%29.85 inHg

10:00 PM

Clear night

86° 💧 None 💨 9 mph H 49%29.85 inHg

11:00 PM

Clear night

85° 💧 None 💨 8 mph H 52%29.88 inHg

Sunday

12:00 AM

Mostly clear night

83° 💧 None 💨 8 mph H 55%29.88 inHg

1:00 AM

Partly cloudy night

83° 💧 None 💨 7 mph H 58%29.88 inHg

2:00 AM

Clear night

82° 💧 None 💨 8 mph H 60%29.88 inHg

3:00 AM

Clear night

81° 💧 None 💨 8 mph H 61%29.85 inHg

4:00 AM

Clear night

81° 💧 None 💨 9 mph H 62%29.85 inHg

5:00 AM

Clear night

80° 💧 None 💨 7 mph H 63%29.88 inHg

6:00 AM

Clear night

80° 💧 None 💨 7 mph H 64%29.88 inHg

7:00 AM

Clear night

79° 💧 None 💨 7 mph H 66%29.88 inHg

8:00 AM

Sunny

82° 💧 None 💨 6 mph H 62%29.91 inHg

9:00 AM

Sunny

87° 💧 None 💨 7 mph H 52%29.91 inHg

10:00 AM

Sunny

91° 💧 None 💨 8 mph H 45%29.91 inHg

In Princeton and, more broadly, across the state of Texas: This morning, the sky features a mix of sun and clouds, with temperatures rising quickly into the mid-70s to low 80s. Expect the heat to intensify as the day progresses, with afternoon highs reaching up to 97 degrees. A slight chance of rain exists, with potential accumulations around 0.06 inches, and the likelihood of rain is high. Winds will be moderate from the west, averaging around 10 mph, with gusts reaching up to 17 mph. Be prepared for the hot conditions and possible brief showers, especially in the late afternoon.

15-Day Weather Outlook for Princeton

TomorrowTomorrow

Light rain 93°/73° 💧 0.01 in 💨 18 mph

Friday, Sep 4Fri Sep 4

Partly cloudy 101°/76° 💧 None 💨 18 mph

Saturday, Sep 5Sat Sep 5

Sunny 101°/79° 💧 None 💨 11 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 104°/81° 💧 None 💨 11 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 105°/83° 💧 None 💨 17 mph

Tuesday, Sep 8Tue Sep 8

Sunny 105°/82° 💧 None 💨 16 mph

Wednesday, Sep 9Wed Sep 9

Mostly sunny 104°/82° 💧 None 💨 16 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 107°/85° 💧 None 💨 16 mph

Friday, Sep 11Fri Sep 11

Sunny 107°/85° 💧 None 💨 14 mph

Saturday, Sep 12Sat Sep 12

Mostly sunny 100°/80° 💧 None 💨 20 mph

Sunday, Sep 13Sun Sep 13

Light rain 97°/73° 💧 0.12 in 💨 13 mph

Monday, Sep 14Mon Sep 14

Light rain 97°/73° 💧 0.19 in 💨 15 mph

Tuesday, Sep 15Tue Sep 15

Light rain 93°/74° 💧 0.24 in 💨 7 mph

Wednesday, Sep 16Wed Sep 16

Mostly cloudy 98°/77° 💧 None 💨 8 mph

Thursday, Sep 17Thu Sep 17

Light rain 92°/77° 💧 0.22 in 💨 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

Fair

Nearest forecast value 11:00 AM

PM2.5 Fine particles Good 1,5µg/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 2,1µg/m³

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

O₃ Ozone Fair 60,4µg/m³

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

NO₂ Nitrogen dioxide Good 1,8µg/m³

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

Air quality is acceptable for most people.

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 9,5Very high 🙂Fair

Tomorrow UV 7,9High 🙂Fair

Friday UV 9,5Very high 🙂Fair

Saturday UV 9,6Very high 🙂Fair

Sunday UV 9,0Very high 😊Good

Monday UV 9,0Very high —Unavailable

Tuesday UV 9,0Very high —Unavailable

Hourly UV index today

11:00 AMUV 5,8 12:00 PMUV 8,1 1:00 PMUV 9,5 2:00 PMUV 9,5 3:00 PMUV 7,8 4:00 PMUV 4,3 5:00 PMUV 2,2 6:00 PMUV 1,2 7:00 PMUV 0,2

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.

Acceptable air quality

Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged 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

Internal PR simulation: 4.49 Population: 25,229

DISCOVER WEATHER NEARBY Weather in other cities

Explore current conditions and forecasts for other locations.

Forecast data for Princeton were last refreshed today at 10:12 AM. The current forecast period extends through 04/09/2026 at 8:00 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.