What is the weather in St. Augustine right now?

Current weather in St. Augustine is broken clouds.

Where can I find the hourly weather forecast for St. Augustine?

This page shows hourly weather forecast for St. Augustine, including temperature, wind, precipitation, humidity and cloud cover.

Is the weather forecast for St. Augustine updated regularly?

Weather data for St. Augustine is updated regularly with the latest available observations and forecasts.

Now · 6:16 AM

St. Augustine Weather & Hourly Forecast

United States · Illinois · 61474

72°F

Mostly cloudy night

Feels like: 72°F

💧 Humidity 77% 🌡 Pressure 29.94 inHg 💨 Wind 7 mph 👁 Visibility 6.2 mi ☁ Clouds 55% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:27 AM 🌇 Sunset 7:36 PM

Hourly Forecast for St. Augustine

Today

7:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 77%29.94 inHg

10:00 AM

Light rain

76° 💧 0.00 in 💨 11 mph H 71%29.94 inHg

1:00 PM

Mostly cloudy

85° 💧 None 💨 13 mph H 49%29.91 inHg

4:00 PM

Mostly sunny

94° 💧 None 💨 10 mph H 48%29.85 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 10 mph H 64%29.83 inHg

10:00 PM

Mostly cloudy night

86° 💧 None 💨 11 mph H 46%29.85 inHg

Tomorrow

1:00 AM

Light rain

83° 💧 0.00 in 💨 9 mph H 56%29.88 inHg

4:00 AM

Partly cloudy night

77° 💧 0.01 in 💨 7 mph H 70%29.91 inHg

7:00 AM

Partly cloudy

74° 💧 None 💨 9 mph H 83%29.94 inHg

10:00 AM

Mostly cloudy

81° 💧 None 💨 8 mph H 63%29.97 inHg

1:00 PM

Mostly cloudy

86° 💧 None 💨 9 mph H 48%29.94 inHg

4:00 PM

Partly cloudy

94° 💧 None 💨 6 mph H 42%29.85 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 9 mph H 59%29.83 inHg

10:00 PM

Clear night

86° 💧 None 💨 14 mph H 45%29.88 inHg

Wednesday

1:00 AM

Clear night

84° 💧 None 💨 12 mph H 44%29.88 inHg

4:00 AM

Clear night

81° 💧 None 💨 12 mph H 48%29.88 inHg

Today

7:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 77%29.94 inHg

8:00 AM

Mostly cloudy

72° 💧 None 💨 7 mph H 77%29.94 inHg

9:00 AM

Mostly cloudy

74° 💧 None 💨 10 mph H 74%29.94 inHg

10:00 AM

Light rain

76° 💧 0.00 in 💨 11 mph H 71%29.94 inHg

11:00 AM

Mostly cloudy

80° 💧 None 💨 13 mph H 63%29.94 inHg

12:00 PM

Mostly cloudy

83° 💧 None 💨 14 mph H 53%29.94 inHg

1:00 PM

Mostly cloudy

85° 💧 None 💨 13 mph H 49%29.91 inHg

2:00 PM

Partly cloudy

90° 💧 None 💨 12 mph H 46%29.88 inHg

3:00 PM

Partly cloudy

92° 💧 None 💨 11 mph H 47%29.88 inHg

4:00 PM

Mostly sunny

94° 💧 None 💨 10 mph H 48%29.85 inHg

5:00 PM

Mostly sunny

93° 💧 None 💨 10 mph H 52%29.83 inHg

6:00 PM

Mostly sunny

91° 💧 None 💨 9 mph H 61%29.83 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 10 mph H 64%29.83 inHg

8:00 PM

Mostly cloudy night

87° 💧 None 💨 10 mph H 55%29.83 inHg

9:00 PM

Overcast night

86° 💧 None 💨 10 mph H 50%29.85 inHg

10:00 PM

Mostly cloudy night

86° 💧 None 💨 11 mph H 46%29.85 inHg

11:00 PM

Mostly cloudy night

85° 💧 None 💨 11 mph H 43%29.85 inHg

Tomorrow

12:00 AM

Mostly cloudy night

85° 💧 None 💨 11 mph H 42%29.85 inHg

1:00 AM

Light rain

83° 💧 0.00 in 💨 9 mph H 56%29.88 inHg

2:00 AM

Overcast night

81° 💧 None 💨 8 mph H 70%29.88 inHg

3:00 AM

Mostly cloudy night

79° 💧 None 💨 7 mph H 70%29.88 inHg

4:00 AM

Partly cloudy night

77° 💧 None 💨 7 mph H 70%29.91 inHg

5:00 AM

Light rain

76° 💧 0.01 in 💨 7 mph H 82%29.94 inHg

6:00 AM

Partly cloudy night

75° 💧 None 💨 10 mph H 83%29.94 inHg

7:00 AM

Partly cloudy

74° 💧 None 💨 9 mph H 83%29.94 inHg

8:00 AM

Overcast

76° 💧 None 💨 7 mph H 82%29.94 inHg

9:00 AM

Mostly cloudy

77° 💧 None 💨 8 mph H 75%29.97 inHg

10:00 AM

Mostly cloudy

81° 💧 None 💨 8 mph H 63%29.97 inHg

11:00 AM

Mostly cloudy

84° 💧 None 💨 8 mph H 57%29.97 inHg

12:00 PM

Mostly cloudy

85° 💧 None 💨 9 mph H 53%29.94 inHg

1:00 PM

Mostly cloudy

86° 💧 None 💨 9 mph H 48%29.94 inHg

2:00 PM

Partly cloudy

90° 💧 None 💨 8 mph H 44%29.91 inHg

3:00 PM

Partly cloudy

92° 💧 None 💨 7 mph H 40%29.88 inHg

4:00 PM

Partly cloudy

94° 💧 None 💨 6 mph H 42%29.85 inHg

5:00 PM

Partly cloudy

94° 💧 None 💨 7 mph H 49%29.85 inHg

6:00 PM

Partly cloudy

93° 💧 None 💨 8 mph H 57%29.85 inHg

7:00 PM

Mostly sunny

88° 💧 None 💨 9 mph H 59%29.83 inHg

8:00 PM

Clear night

86° 💧 None 💨 12 mph H 51%29.85 inHg

9:00 PM

Clear night

88° 💧 None 💨 16 mph H 45%29.85 inHg

10:00 PM

Clear night

86° 💧 None 💨 14 mph H 45%29.88 inHg

11:00 PM

Clear night

84° 💧 None 💨 13 mph H 48%29.85 inHg

Wednesday

12:00 AM

Clear night

83° 💧 None 💨 12 mph H 48%29.88 inHg

1:00 AM

Clear night

84° 💧 None 💨 12 mph H 44%29.88 inHg

2:00 AM

Clear night

83° 💧 None 💨 11 mph H 44%29.88 inHg

3:00 AM

Clear night

83° 💧 None 💨 12 mph H 46%29.88 inHg

4:00 AM

Clear night

81° 💧 None 💨 12 mph H 48%29.88 inHg

5:00 AM

Clear night

80° 💧 None 💨 10 mph H 51%29.88 inHg

6:00 AM

Clear night

78° 💧 None 💨 10 mph H 53%29.88 inHg

7:00 AM

Sunny

76° 💧 None 💨 9 mph H 60%29.88 inHg

8:00 AM

Mostly cloudy

77° 💧 None 💨 9 mph H 68%29.91 inHg

9:00 AM

Partly cloudy

81° 💧 None 💨 11 mph H 65%29.91 inHg

10:00 AM

Partly cloudy

85° 💧 None 💨 12 mph H 61%29.91 inHg

11:00 AM

Partly cloudy

88° 💧 None 💨 13 mph H 55%29.91 inHg

12:00 PM

Partly cloudy

93° 💧 None 💨 12 mph H 46%29.88 inHg

1:00 PM

Partly cloudy

96° 💧 None 💨 13 mph H 41%29.88 inHg

2:00 PM

Sunny

98° 💧 None 💨 12 mph H 39%29.85 inHg

3:00 PM

Sunny

99° 💧 None 💨 12 mph H 40%29.83 inHg

4:00 PM

Sunny

98° 💧 None 💨 12 mph H 43%29.83 inHg

5:00 PM

Sunny

96° 💧 None 💨 12 mph H 45%29.80 inHg

6:00 PM

Sunny

92° 💧 None 💨 10 mph H 54%29.80 inHg

7:00 PM

Sunny

88° 💧 None 💨 10 mph H 56%29.77 inHg

8:00 PM

Partly cloudy night

87° 💧 None 💨 5 mph H 49%29.80 inHg

9:00 PM

Mostly cloudy night

86° 💧 None 💨 1 mph H 45%29.83 inHg

10:00 PM

Mostly cloudy night

80° 💧 None 💨 13 mph H 61%29.91 inHg

11:00 PM

Mostly cloudy night

77° 💧 None 💨 5 mph H 71%29.88 inHg

Thursday

12:00 AM

Light rain

76° 💧 0.01 in 💨 4 mph H 76%29.88 inHg

1:00 AM

Light rain

75° 💧 0.01 in 💨 7 mph H 79%29.88 inHg

2:00 AM

Light rain

76° 💧 0.00 in 💨 10 mph H 75%29.85 inHg

3:00 AM

Overcast night

76° 💧 None 💨 10 mph H 70%29.85 inHg

4:00 AM

Overcast night

76° 💧 None 💨 9 mph H 70%29.85 inHg

5:00 AM

Mostly cloudy night

75° 💧 None 💨 10 mph H 68%29.85 inHg

6:00 AM

Mostly cloudy night

74° 💧 None 💨 11 mph H 66%29.85 inHg

7:00 AM

Light rain

73° 💧 0.01 in 💨 8 mph H 73%29.88 inHg

8:00 AM

Sunny

76° 💧 None 💨 8 mph H 74%29.88 inHg

9:00 AM

Sunny

82° 💧 None 💨 9 mph H 67%29.88 inHg

10:00 AM

Sunny

86° 💧 None 💨 10 mph H 59%29.91 inHg

11:00 AM

Sunny

89° 💧 None 💨 10 mph H 53%29.91 inHg

12:00 PM

Sunny

92° 💧 None 💨 8 mph H 48%29.91 inHg

1:00 PM

Sunny

94° 💧 None 💨 5 mph H 44%29.88 inHg

2:00 PM

Sunny

95° 💧 None 💨 3 mph H 42%29.88 inHg

3:00 PM

Sunny

95° 💧 None 💨 6 mph H 42%29.85 inHg

4:00 PM

Sunny

95° 💧 None 💨 8 mph H 45%29.85 inHg

5:00 PM

Mostly sunny

93° 💧 None 💨 10 mph H 55%29.83 inHg

6:00 PM

Mostly sunny

89° 💧 None 💨 11 mph H 63%29.83 inHg

7:00 PM

Mostly sunny

85° 💧 None 💨 9 mph H 72%29.83 inHg

8:00 PM

Mostly cloudy night

85° 💧 None 💨 11 mph H 61%29.83 inHg

9:00 PM

Partly cloudy night

83° 💧 None 💨 11 mph H 56%29.83 inHg

10:00 PM

Mostly clear night

82° 💧 None 💨 9 mph H 57%29.85 inHg

11:00 PM

Mostly clear night

80° 💧 None 💨 9 mph H 60%29.85 inHg

Friday

12:00 AM

Mostly clear night

79° 💧 None 💨 8 mph H 61%29.85 inHg

1:00 AM

Clear night

78° 💧 None 💨 8 mph H 60%29.85 inHg

2:00 AM

Clear night

78° 💧 None 💨 8 mph H 59%29.85 inHg

3:00 AM

Clear night

78° 💧 None 💨 7 mph H 59%29.85 inHg

4:00 AM

Partly cloudy night

79° 💧 None 💨 7 mph H 57%29.85 inHg

5:00 AM

Partly cloudy night

81° 💧 None 💨 8 mph H 53%29.85 inHg

6:00 AM

Light rain

77° 💧 0.01 in 💨 7 mph H 66%29.88 inHg

In St. Augustine and, more broadly, across the state of Illinois: This morning will start with a mix of sun and clouds, bringing warm temperatures that will rise quickly. Temperatures will range from the mid-60s to the low 70s, with pleasant breezes from the south at around 10 to 14 mph. As the day progresses into the afternoon, expect the heat to intensify, with highs reaching into the upper 80s and low 90s. Winds may gust up to 36 mph, especially during the warmest parts of the day, creating a breezy atmosphere. No precipitation is forecasted, so outdoor plans can proceed without concern for rain. Overall, it will be a warm, partly sunny day with moderate winds and plenty of sunshine to enjoy.

15-Day Weather Outlook for St. Augustine

TomorrowTomorrow

Light rain 94°/74° 💧 0.02 in 💨 16 mph

Wednesday, Sep 2Wed Sep 2

Partly cloudy 99°/76° 💧 None 💨 13 mph

Thursday, Sep 3Thu Sep 3

Light rain 95°/73° 💧 0.04 in 💨 11 mph

Friday, Sep 4Fri Sep 4

Light rain 95°/76° 💧 0.04 in 💨 11 mph

Saturday, Sep 5Sat Sep 5

Light rain 89°/72° 💧 0.02 in 💨 16 mph

Sunday, Sep 6Sun Sep 6

Partly cloudy 82°/66° 💧 None 💨 13 mph

Monday, Sep 7Mon Sep 7

Overcast 89°/61° 💧 None 💨 14 mph

Tuesday, Sep 8Tue Sep 8

Sunny 108°/75° 💧 None 💨 15 mph

Wednesday, Sep 9Wed Sep 9

Sunny 109°/81° 💧 None 💨 16 mph

Thursday, Sep 10Thu Sep 10

Mostly cloudy 82°/64° 💧 None 💨 14 mph

Friday, Sep 11Fri Sep 11

Sunny 85°/58° 💧 None 💨 8 mph

Saturday, Sep 12Sat Sep 12

Sunny 88°/60° 💧 None 💨 12 mph

Sunday, Sep 13Sun Sep 13

Partly cloudy 94°/62° 💧 None 💨 18 mph

Monday, Sep 14Mon Sep 14

Overcast 78°/59° 💧 None 💨 17 mph

Tuesday, Sep 15Tue Sep 15

Partly cloudy 81°/52° 💧 None 💨 9 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Augustine

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Augustine

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 7:00 AM

PM2.5 Fine particles Good 7,2µg/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 7,4µg/m³

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

O₃ Ozone Fair 75,6µg/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.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. Augustine

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 7,7High 🙂Fair

Tomorrow UV 8,1Very high 😐Moderate

Wednesday UV 8,2Very high 🙂Fair

Thursday UV 8,4Very high 🙂Fair

Friday UV 8,0Very high 😊Good

Saturday UV 7,0High —Unavailable

Sunday UV 5,0Moderate —Unavailable

Hourly UV index today

7:00 AMUV 0,0 8:00 AMUV 0,5 9:00 AMUV 1,7 10:00 AMUV 3,2 11:00 AMUV 5,0 12:00 PMUV 6,7 1:00 PMUV 7,7 2:00 PMUV 7,2 3:00 PMUV 5,9 4:00 PMUV 3,8 5:00 PMUV 1,9 6:00 PMUV 0,6

Today's weather health advice Open today's recommendations.

Strong UV exposure

Protect exposed skin with SPF 30+ sunscreen, wear sunglasses, and try to limit direct midday sun.

Acceptable air quality

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

Comfortable temperature conditions

Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.

Good conditions for outdoor activities

Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.

WIND OUTLOOK

Hourly Wind Forecast for St. Augustine

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.37 Population: 92

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Forecast data for St. Augustine were last refreshed today at 6:16 AM. The current forecast period extends through 02/09/2026 at 4:00 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.