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Current weather in St. Peter is overcast clouds.

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

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

Is the weather forecast for St. Peter updated regularly?

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

Now · 11:38 AM

St. Peter Weather & Hourly Forecast

United States · Wisconsin · 53049

74°F

Overcast

Feels like: 75°F

💧 Humidity 73% 🌡 Pressure 29.91 inHg 💨 Wind 2 mph 👁 Visibility 6.2 mi ☁ Clouds 100% ☀️ UV index 4.3 · Moderate 🌅 Sunrise 6:18 AM 🌇 Sunset 7:28 PM

Hourly Forecast for St. Peter

Today

12:00 PM

Overcast

74° 💧 None 💨 2 mph H 73%29.91 inHg

3:00 PM

Mostly cloudy

80° 💧 None 💨 8 mph H 67%29.88 inHg

6:00 PM

Mostly cloudy

83° 💧 0.01 in 💨 4 mph H 64%29.85 inHg

9:00 PM

Mostly clear night

76° 💧 None 💨 9 mph H 87%29.88 inHg

Tomorrow

12:00 AM

Light rain

74° 💧 0.04 in 💨 7 mph H 89%29.88 inHg

3:00 AM

Partly cloudy night

72° 💧 0.00 in 💨 7 mph H 92%29.85 inHg

6:00 AM

Light rain

72° 💧 0.03 in 💨 10 mph H 97%29.88 inHg

9:00 AM

Partly cloudy

76° 💧 None 💨 12 mph H 90%29.88 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 4 mph H 65%29.88 inHg

3:00 PM

Partly cloudy

85° 💧 0.02 in 💨 5 mph H 54%29.85 inHg

6:00 PM

Mostly cloudy

79° 💧 0.01 in 💨 8 mph H 71%29.85 inHg

9:00 PM

Overcast night

73° 💧 0.21 in 💨 9 mph H 95%29.88 inHg

Friday

12:00 AM

Heavy rain

71° 💧 0.36 in 💨 12 mph H 92%29.83 inHg

3:00 AM

Light rain

66° 💧 0.03 in 💨 5 mph H 93%29.88 inHg

6:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 93%29.91 inHg

9:00 AM

Mostly cloudy

71° 💧 None 💨 7 mph H 84%29.94 inHg

Today

12:00 PM

Overcast

74° 💧 None 💨 2 mph H 73%29.91 inHg

1:00 PM

Overcast

76° 💧 None 💨 3 mph H 72%29.91 inHg

2:00 PM

Overcast

78° 💧 None 💨 7 mph H 70%29.91 inHg

3:00 PM

Mostly cloudy

80° 💧 None 💨 8 mph H 67%29.88 inHg

4:00 PM

Mostly cloudy

81° 💧 None 💨 6 mph H 65%29.85 inHg

5:00 PM

Mostly cloudy

84° 💧 None 💨 5 mph H 59%29.85 inHg

6:00 PM

Mostly cloudy

83° 💧 None 💨 4 mph H 64%29.85 inHg

7:00 PM

Light rain

79° 💧 0.01 in 💨 5 mph H 73%29.85 inHg

8:00 PM

Mostly cloudy night

77° 💧 None 💨 8 mph H 82%29.85 inHg

9:00 PM

Mostly clear night

76° 💧 None 💨 9 mph H 87%29.88 inHg

10:00 PM

Mostly clear night

75° 💧 None 💨 8 mph H 87%29.88 inHg

11:00 PM

Mostly clear night

74° 💧 None 💨 7 mph H 88%29.88 inHg

Tomorrow

12:00 AM

Light rain

74° 💧 0.01 in 💨 7 mph H 89%29.88 inHg

1:00 AM

Light rain

74° 💧 0.03 in 💨 8 mph H 93%29.88 inHg

2:00 AM

Partly cloudy night

73° 💧 None 💨 6 mph H 92%29.85 inHg

3:00 AM

Partly cloudy night

72° 💧 None 💨 7 mph H 92%29.85 inHg

4:00 AM

Partly cloudy night

72° 💧 None 💨 8 mph H 93%29.85 inHg

5:00 AM

Light rain

72° 💧 0.00 in 💨 9 mph H 95%29.88 inHg

6:00 AM

Light rain

72° 💧 0.03 in 💨 10 mph H 97%29.88 inHg

7:00 AM

Mostly sunny

73° 💧 None 💨 9 mph H 97%29.88 inHg

8:00 AM

Partly cloudy

74° 💧 None 💨 11 mph H 95%29.88 inHg

9:00 AM

Partly cloudy

76° 💧 None 💨 12 mph H 90%29.88 inHg

10:00 AM

Partly cloudy

78° 💧 None 💨 8 mph H 80%29.88 inHg

11:00 AM

Partly cloudy

80° 💧 None 💨 6 mph H 68%29.88 inHg

12:00 PM

Partly cloudy

83° 💧 None 💨 4 mph H 65%29.88 inHg

1:00 PM

Partly cloudy

86° 💧 None 💨 5 mph H 55%29.85 inHg

2:00 PM

Mostly cloudy

86° 💧 None 💨 5 mph H 53%29.83 inHg

3:00 PM

Partly cloudy

85° 💧 None 💨 5 mph H 54%29.85 inHg

4:00 PM

Light rain

83° 💧 0.02 in 💨 12 mph H 55%29.88 inHg

5:00 PM

Mostly cloudy

79° 💧 None 💨 8 mph H 63%29.85 inHg

6:00 PM

Mostly cloudy

79° 💧 None 💨 8 mph H 71%29.85 inHg

7:00 PM

Light rain

77° 💧 0.01 in 💨 6 mph H 82%29.85 inHg

8:00 PM

Overcast night

75° 💧 None 💨 9 mph H 92%29.85 inHg

9:00 PM

Overcast night

73° 💧 None 💨 9 mph H 95%29.88 inHg

10:00 PM

Overcast night

73° 💧 None 💨 10 mph H 96%29.88 inHg

11:00 PM

Heavy rain

74° 💧 0.21 in 💨 22 mph H 98%29.97 inHg

Friday

12:00 AM

Heavy rain

71° 💧 0.31 in 💨 12 mph H 92%29.83 inHg

1:00 AM

Light rain

70° 💧 0.02 in 💨 6 mph H 91%29.88 inHg

2:00 AM

Light rain

66° 💧 0.03 in 💨 2 mph H 94%29.91 inHg

3:00 AM

Light rain

66° 💧 0.01 in 💨 5 mph H 93%29.88 inHg

4:00 AM

Mostly cloudy night

65° 💧 None 💨 3 mph H 92%29.91 inHg

5:00 AM

Light rain

66° 💧 0.02 in 💨 7 mph H 93%29.94 inHg

6:00 AM

Mostly cloudy night

66° 💧 None 💨 7 mph H 93%29.91 inHg

7:00 AM

Mostly cloudy

66° 💧 None 💨 2 mph H 92%29.94 inHg

8:00 AM

Overcast

68° 💧 None 💨 2 mph H 88%29.94 inHg

9:00 AM

Mostly cloudy

71° 💧 None 💨 7 mph H 84%29.94 inHg

10:00 AM

Mostly cloudy

75° 💧 None 💨 8 mph H 77%29.91 inHg

11:00 AM

Mostly cloudy

78° 💧 None 💨 6 mph H 69%29.94 inHg

12:00 PM

Mostly cloudy

80° 💧 None 💨 5 mph H 66%29.91 inHg

1:00 PM

Mostly cloudy

82° 💧 None 💨 4 mph H 63%29.91 inHg

2:00 PM

Overcast

84° 💧 None 💨 3 mph H 60%29.91 inHg

3:00 PM

Overcast

85° 💧 None 💨 3 mph H 59%29.88 inHg

4:00 PM

Overcast

85° 💧 None 💨 3 mph H 58%29.88 inHg

5:00 PM

Overcast

85° 💧 None 💨 3 mph H 61%29.88 inHg

6:00 PM

Overcast

82° 💧 None 💨 6 mph H 71%29.88 inHg

7:00 PM

Overcast

76° 💧 None 💨 11 mph H 79%29.88 inHg

8:00 PM

Overcast night

73° 💧 None 💨 11 mph H 84%29.88 inHg

9:00 PM

Overcast night

71° 💧 None 💨 10 mph H 88%29.91 inHg

10:00 PM

Light rain

70° 💧 0.03 in 💨 9 mph H 90%29.91 inHg

11:00 PM

Moderate rain

69° 💧 0.06 in 💨 8 mph H 96%29.94 inHg

Saturday

12:00 AM

Light rain

68° 💧 0.03 in 💨 9 mph H 96%29.94 inHg

1:00 AM

Moderate rain

68° 💧 0.15 in 💨 8 mph H 97%29.94 inHg

2:00 AM

Moderate rain

68° 💧 0.12 in 💨 8 mph H 96%29.94 inHg

3:00 AM

Light rain

67° 💧 0.01 in 💨 7 mph H 95%29.91 inHg

4:00 AM

Moderate rain

67° 💧 0.05 in 💨 7 mph H 94%29.91 inHg

5:00 AM

Light rain

67° 💧 0.03 in 💨 4 mph H 95%29.94 inHg

6:00 AM

Overcast night

66° 💧 None 💨 8 mph H 94%29.91 inHg

7:00 AM

Light rain

67° 💧 0.01 in 💨 6 mph H 95%29.94 inHg

8:00 AM

Light rain

68° 💧 0.01 in 💨 6 mph H 92%29.94 inHg

9:00 AM

Light rain

70° 💧 0.00 in 💨 5 mph H 88%29.94 inHg

10:00 AM

Sunny

73° 💧 None 💨 6 mph H 83%29.94 inHg

11:00 AM

Sunny

76° 💧 None 💨 7 mph H 75%29.94 inHg

12:00 PM

Sunny

79° 💧 None 💨 8 mph H 71%29.94 inHg

1:00 PM

Sunny

80° 💧 None 💨 8 mph H 69%29.94 inHg

2:00 PM

Mostly sunny

81° 💧 None 💨 10 mph H 67%29.94 inHg

3:00 PM

Mostly sunny

80° 💧 None 💨 10 mph H 67%29.94 inHg

4:00 PM

Mostly sunny

80° 💧 None 💨 9 mph H 68%29.94 inHg

5:00 PM

Mostly sunny

78° 💧 None 💨 10 mph H 71%29.94 inHg

6:00 PM

Mostly sunny

76° 💧 None 💨 10 mph H 77%29.94 inHg

7:00 PM

Sunny

72° 💧 None 💨 9 mph H 84%29.94 inHg

8:00 PM

Clear night

69° 💧 None 💨 9 mph H 90%29.97 inHg

9:00 PM

Clear night

67° 💧 None 💨 9 mph H 88%29.97 inHg

10:00 PM

Clear night

65° 💧 None 💨 9 mph H 85%30.00 inHg

11:00 PM

Clear night

65° 💧 None 💨 9 mph H 83%30.00 inHg

Sunday

12:00 AM

Clear night

65° 💧 None 💨 8 mph H 82%30.00 inHg

1:00 AM

Clear night

65° 💧 None 💨 8 mph H 83%30.00 inHg

2:00 AM

Clear night

65° 💧 None 💨 8 mph H 86%30.00 inHg

3:00 AM

Clear night

64° 💧 None 💨 8 mph H 91%30.00 inHg

4:00 AM

Clear night

64° 💧 None 💨 8 mph H 95%30.00 inHg

5:00 AM

Clear night

64° 💧 None 💨 8 mph H 95%30.03 inHg

6:00 AM

Clear night

63° 💧 None 💨 9 mph H 94%30.00 inHg

7:00 AM

Sunny

63° 💧 None 💨 10 mph H 93%30.00 inHg

8:00 AM

Partly cloudy

67° 💧 None 💨 8 mph H 85%30.03 inHg

9:00 AM

Mostly cloudy

69° 💧 None 💨 7 mph H 79%30.06 inHg

10:00 AM

Mostly cloudy

72° 💧 None 💨 9 mph H 74%30.06 inHg

11:00 AM

Overcast

73° 💧 None 💨 8 mph H 71%30.06 inHg

In St. Peter and, more broadly, across the state of Wisconsin: The rest of the day will bring a mix of sun and clouds, with temperatures ranging from the low 70s to the upper 70s. A slight chance of rain exists, with potential accumulation around 0.02 inches, and the highest probability of rain occurring in the late afternoon. Winds will generally be light from the southwest at around 6 mph, with gusts reaching up to 8 mph. Overall, expect mild to warm conditions with comfortable breezes, but keep an umbrella handy in case of brief showers. The weather should remain fairly tranquil through the evening.

15-Day Weather Outlook for St. Peter

TomorrowTomorrow

Heavy rain 86°/72° 💧 0.30 in 💨 22 mph

Friday, Sep 4Fri Sep 4

Heavy rain 85°/65° 💧 0.48 in 💨 12 mph

Saturday, Sep 5Sat Sep 5

Moderate rain 80°/65° 💧 0.41 in 💨 9 mph

Sunday, Sep 6Sun Sep 6

Overcast 77°/63° 💧 None 💨 15 mph

Monday, Sep 7Mon Sep 7

Mostly cloudy 79°/63° 💧 None 💨 15 mph

Tuesday, Sep 8Tue Sep 8

Light rain 87°/66° 💧 0.17 in 💨 19 mph

Wednesday, Sep 9Wed Sep 9

Sunny 73°/60° 💧 None 💨 24 mph

Thursday, Sep 10Thu Sep 10

Partly cloudy 72°/55° 💧 None 💨 9 mph

Friday, Sep 11Fri Sep 11

Light rain 67°/59° 💧 0.06 in 💨 11 mph

Saturday, Sep 12Sat Sep 12

Mostly cloudy 79°/59° 💧 None 💨 14 mph

Sunday, Sep 13Sun Sep 13

Moderate rain 90°/68° 💧 0.38 in 💨 20 mph

Monday, Sep 14Mon Sep 14

Light rain 87°/71° 💧 0.03 in 💨 14 mph

Tuesday, Sep 15Tue Sep 15

Light rain 80°/65° 💧 0.04 in 💨 10 mph

Wednesday, Sep 16Wed Sep 16

Light rain 86°/68° 💧 0.15 in 💨 19 mph

Thursday, Sep 17Thu Sep 17

Light rain 70°/60° 💧 0.21 in 💨 17 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in St. Peter

Vertical axis: °F · Color based on temperature

AIR QUALITY FORECAST

Air Quality Forecast for St. Peter

Hourly forecast · Updated every 2 hours

Fair

Nearest forecast value 12:00 PM

PM2.5 Fine particles Fair 10,3µg/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 10,9µg/m³

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

O₃ Ozone Fair 84,4µg/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.

Air quality is acceptable for most people.

UV & HEALTH

UV, Sun & Health Outlook in St. Peter

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 6,1High 🙂Fair

Tomorrow UV 5,5Moderate 🙂Fair

Friday UV 6,7High 🙂Fair

Saturday UV 4,7Moderate 🙂Fair

Sunday UV 7,0High 😊Good

Monday UV 4,0Moderate —Unavailable

Tuesday UV 5,0Moderate —Unavailable

Hourly UV index today

12:00 PMUV 5,5 1:00 PMUV 5,7 2:00 PMUV 6,1 3:00 PMUV 4,6 4:00 PMUV 3,1 5:00 PMUV 1,5 6:00 PMUV 0,5 7:00 PMUV 0,0

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. Peter

Vertical axis: mph · Horizontal axis: hours

Sustained wind Max gusts

Internal PR simulation: 3.74 Population: 1,413

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Forecast data for St. Peter were last refreshed today at 11:38 AM. The current forecast period extends through 04/09/2026 at 9:00 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.