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Now · 12:35 AM

Sidney Weather & Hourly Forecast

United States · Iowa · 51652

Mostly cloudy night
77°F
Mostly cloudy night
Feels like: 77°F
💧 Humidity 73% 🌡 Pressure 29.77 inHg 💨 Wind 9 mph 👁 Visibility 6.2 mi Clouds 69% ☀️ UV index 0.0 · Low 🌅 Sunrise 6:48 AM 🌇 Sunset 7:57 PM

Hourly Forecast for Sidney

Today
Mostly cloudy night · 1:00 AM Mostly cloudy night
77° 💧 None 💨 9 mph H 73%29.77 inHg
Mostly cloudy night · 4:00 AM Mostly cloudy night
76° 💧 None 💨 11 mph H 64%29.77 inHg
Partly cloudy · 7:00 AM Partly cloudy
76° 💧 None 💨 10 mph H 43%29.80 inHg
Partly cloudy · 10:00 AM Partly cloudy
84° 💧 None 💨 12 mph H 30%29.80 inHg
Mostly cloudy · 1:00 PM Mostly cloudy
86° 💧 None 💨 8 mph H 22%29.80 inHg
Overcast · 4:00 PM Overcast
94° 💧 None 💨 9 mph H 22%29.74 inHg
Mostly cloudy · 7:00 PM Mostly cloudy
88° 💧 0.00 in 💨 10 mph H 19%29.71 inHg
Partly cloudy night · 10:00 PM Partly cloudy night
81° 💧 None 💨 7 mph H 44%29.77 inHg
Tomorrow
Mostly cloudy night · 1:00 AM Mostly cloudy night
75° 💧 None 💨 2 mph H 44%29.80 inHg
Overcast night · 4:00 AM Overcast night
77° 💧 0.02 in 💨 7 mph H 45%29.83 inHg
Overcast · 7:00 AM Overcast
73° 💧 None 💨 6 mph H 63%29.85 inHg
Mostly cloudy · 10:00 AM Mostly cloudy
81° 💧 None 💨 3 mph H 38%29.85 inHg
Mostly cloudy · 1:00 PM Mostly cloudy
89° 💧 None 💨 14 mph H 18%29.80 inHg
Sunny · 4:00 PM Sunny
109° 💧 None 💨 15 mph H 13%29.71 inHg
Sunny · 7:00 PM Sunny
105° 💧 None 💨 14 mph H 15%29.71 inHg
Clear night · 10:00 PM Clear night
88° 💧 None 💨 9 mph H 25%29.77 inHg

In Sidney and, more broadly, across the state of Iowa: This evening, skies will be mostly cloudy with mild to warm temperatures around 81 to 82 degrees. A slight chance of rain remains, with possible accumulation of about 0.01 inches, and the probability of precipitation reaching 20%. Winds will be moderate from the south, reaching speeds of up to 11 mph, with gusts potentially hitting 32 mph. Expect the weather to remain relatively stable through the night, but keep an eye out for brief gusts, especially later in the evening. Temperatures are expected to stay steady, making for a warm and somewhat breezy night ahead.

15-Day Weather Outlook for Sidney

Monday, Aug 31Mon Aug 31 Light rain Light rain 94°/69° 💧 0.00 in 💨 14 mph
TomorrowTomorrow Light rain Light rain 109°/72° 💧 0.02 in 💨 16 mph
Wednesday, Sep 2Wed Sep 2 Sunny Sunny 110°/79° 💧 None 💨 16 mph
Thursday, Sep 3Thu Sep 3 Sunny Sunny 105°/79° 💧 None 💨 17 mph
Friday, Sep 4Fri Sep 4 Light rain Light rain 107°/79° 💧 0.02 in 💨 16 mph
Saturday, Sep 5Sat Sep 5 Light rain Light rain 110°/71° 💧 0.11 in 💨 13 mph
Sunday, Sep 6Sun Sep 6 Light rain Light rain 108°/74° 💧 0.00 in 💨 10 mph
Monday, Sep 7Mon Sep 7 Overcast Overcast 111°/82° 💧 None 💨 16 mph
Tuesday, Sep 8Tue Sep 8 Sunny Sunny 92°/64° 💧 None 💨 15 mph
Wednesday, Sep 9Wed Sep 9 Mostly sunny Mostly sunny 98°/60° 💧 None 💨 8 mph
Thursday, Sep 10Thu Sep 10 Light rain Light rain 96°/70° 💧 0.02 in 💨 24 mph
Friday, Sep 11Fri Sep 11 Overcast Overcast 81°/54° 💧 None 💨 17 mph
Saturday, Sep 12Sat Sep 12 Overcast Overcast 98°/54° 💧 None 💨 18 mph
Sunday, Sep 13Sun Sep 13 Sunny Sunny 88°/60° 💧 None 💨 15 mph
Monday, Sep 14Mon Sep 14 Overcast Overcast 106°/57° 💧 None 💨 13 mph

TEMPERATURE OUTLOOK

Temperature & Weather Trends in Sidney

Vertical axis: °F · Color based on temperature
Mostly cloudy night at 1:00 AM
77° Today 1:00 AM
Mostly cloudy night at 2:00 AM
76° 2:00 AM
Mostly cloudy night at 3:00 AM
75° 3:00 AM
Mostly cloudy night at 4:00 AM
76° 4:00 AM
Mostly cloudy night at 5:00 AM
77° Today 5:00 AM
Partly cloudy night at 6:00 AM
76° 6:00 AM
Partly cloudy at 7:00 AM
76° 7:00 AM
Mostly cloudy at 8:00 AM
77° 8:00 AM
Partly cloudy at 9:00 AM
80° Today 9:00 AM
Partly cloudy at 10:00 AM
84° 10:00 AM
Partly cloudy at 11:00 AM
85° 11:00 AM
Mostly cloudy at 12:00 PM
88° 12:00 PM
Mostly cloudy at 1:00 PM
86° Today 1:00 PM
Overcast at 2:00 PM
90° 2:00 PM
Overcast at 3:00 PM
92° 3:00 PM
Overcast at 4:00 PM
94° 4:00 PM
Mostly cloudy at 5:00 PM
94° Today 5:00 PM
Mostly cloudy at 6:00 PM
91° 6:00 PM
Mostly cloudy at 7:00 PM
88° 7:00 PM
Light rain at 8:00 PM
86° 8:00 PM
Mostly clear night at 9:00 PM
84° Today 9:00 PM
Partly cloudy night at 10:00 PM
81° 10:00 PM
Partly cloudy night at 11:00 PM
80° 11:00 PM
Mostly cloudy night at 12:00 AM
79° 12:00 AM
Mostly cloudy night at 1:00 AM
75° Tomorrow 1:00 AM
Overcast night at 2:00 AM
73° 2:00 AM
Overcast night at 3:00 AM
73° 3:00 AM
Overcast night at 4:00 AM
77° 4:00 AM
Light rain at 5:00 AM
77° Tomorrow 5:00 AM
Light rain at 6:00 AM
74° 6:00 AM
Overcast at 7:00 AM
73° 7:00 AM
Mostly sunny at 8:00 AM
72° 8:00 AM
Mostly cloudy at 9:00 AM
74° Tomorrow 9:00 AM
Mostly cloudy at 10:00 AM
81° 10:00 AM
Mostly cloudy at 11:00 AM
85° 11:00 AM
Mostly cloudy at 12:00 PM
88° 12:00 PM
Mostly cloudy at 1:00 PM
89° Tomorrow 1:00 PM
Sunny at 2:00 PM
107° 2:00 PM
Sunny at 3:00 PM
109° 3:00 PM
Sunny at 4:00 PM
109° 4:00 PM
Sunny at 5:00 PM
109° Tomorrow 5:00 PM
Sunny at 6:00 PM
107° 6:00 PM
Sunny at 7:00 PM
105° 7:00 PM
Clear night at 8:00 PM
97° 8:00 PM
Mostly clear night at 9:00 PM
91° Tomorrow 9:00 PM
Clear night at 10:00 PM
88° 10:00 PM
Clear night at 11:00 PM
87° 11:00 PM
Partly cloudy night at 12:00 AM
87° 12:00 AM
Partly cloudy night at 1:00 AM
86° Wednesday 1:00 AM
Clear night at 2:00 AM
82° 2:00 AM
Clear night at 3:00 AM
82° 3:00 AM
Clear night at 4:00 AM
84° 4:00 AM
Clear night at 5:00 AM
84° Wednesday 5:00 AM
Mostly clear night at 6:00 AM
79° 6:00 AM
Mostly sunny at 7:00 AM
79° 7:00 AM
Sunny at 8:00 AM
83° 8:00 AM
Sunny at 9:00 AM
90° Wednesday 9:00 AM
Sunny at 10:00 AM
95° 10:00 AM
Sunny at 11:00 AM
100° 11:00 AM
Sunny at 12:00 PM
103° 12:00 PM
Sunny at 1:00 PM
106° Wednesday 1:00 PM
Sunny at 2:00 PM
108° 2:00 PM
Sunny at 3:00 PM
110° 3:00 PM
Mostly sunny at 4:00 PM
110° 4:00 PM
Partly cloudy at 5:00 PM
109° Wednesday 5:00 PM
Partly cloudy at 6:00 PM
108° 6:00 PM
Partly cloudy at 7:00 PM
106° 7:00 PM
Mostly clear night at 8:00 PM
97° 8:00 PM
Partly cloudy night at 9:00 PM
93° Wednesday 9:00 PM
Partly cloudy night at 10:00 PM
90° 10:00 PM
Partly cloudy night at 11:00 PM
90° 11:00 PM
Partly cloudy night at 12:00 AM
93° 12:00 AM
Partly cloudy night at 1:00 AM
93° Thursday 1:00 AM
Clear night at 2:00 AM
90° 2:00 AM
Clear night at 3:00 AM
88° 3:00 AM
Clear night at 4:00 AM
86° 4:00 AM
Clear night at 5:00 AM
84° Thursday 5:00 AM
Clear night at 6:00 AM
80° 6:00 AM
Sunny at 7:00 AM
79° 7:00 AM
Sunny at 8:00 AM
82° 8:00 AM
Sunny at 9:00 AM
87° Thursday 9:00 AM
Sunny at 10:00 AM
93° 10:00 AM
Sunny at 11:00 AM
98° 11:00 AM
Sunny at 12:00 PM
101° 12:00 PM
Sunny at 1:00 PM
103° Thursday 1:00 PM
Sunny at 2:00 PM
104° 2:00 PM
Sunny at 3:00 PM
105° 3:00 PM
Sunny at 4:00 PM
105° 4:00 PM
Sunny at 5:00 PM
105° Thursday 5:00 PM
Sunny at 6:00 PM
104° 6:00 PM
Sunny at 7:00 PM
101° 7:00 PM
Clear night at 8:00 PM
93° 8:00 PM
Clear night at 9:00 PM
90° Thursday 9:00 PM
Clear night at 10:00 PM
88° 10:00 PM
Clear night at 11:00 PM
87° 11:00 PM
Clear night at 12:00 AM
87° 12:00 AM

AIR QUALITY FORECAST

Air Quality Forecast for Sidney

Hourly forecast · Updated every 2 hours
Fair
Nearest forecast value 1:00 AM
PM2.5 Fine particles Good 4,2µg/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 4,6µg/m³

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

O₃ Ozone Fair 88,1µg/m³

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

NO₂ Nitrogen dioxide Good 1,1µg/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 Sidney

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 8,2Very high 🙂Fair
Tomorrow UV 8,2Very high 😐Moderate
Wednesday UV 8,3Very high 🙂Fair
Thursday UV 8,3Very high 🙂Fair
Friday UV 9,0Very high Unavailable
Saturday UV 10,0Very high Unavailable
Sunday UV 9,0Very high Unavailable
Hourly UV index today
7:00 AMUV 0,0 8:00 AMUV 0,4 9:00 AMUV 1,2 10:00 AMUV 2,7 11:00 AMUV 5,2 12:00 PMUV 7,0 1:00 PMUV 8,2 2:00 PMUV 8,1 3:00 PMUV 6,8 4:00 PMUV 4,6 5:00 PMUV 2,6 6:00 PMUV 0,9
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.

Comfortable temperature conditions

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

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 Sidney

Vertical axis: mph · Horizontal axis: hours
Hourly wind speed Chart of sustained wind and maximum gusts in mph. Today 1:00 AM 2:00 AM 3:00 AM 4:00 AM Today 5:00 AM 6:00 AM 7:00 AM 8:00 AM Today 9:00 AM 10:00 AM 11:00 AM 12:00 PM Today 1:00 PM 2:00 PM 3:00 PM 4:00 PM Today 5:00 PM 6:00 PM 7:00 PM 8:00 PM Today 9:00 PM 10:00 PM 11:00 PM 12:00 AM Tomorrow 1:00 AM 2:00 AM 3:00 AM 4:00 AM Tomorrow 5:00 AM 6:00 AM 7:00 AM 8:00 AM Tomorrow 9:00 AM 10:00 AM 11:00 AM 12:00 PM Tomorrow 1:00 PM 2:00 PM 3:00 PM 4:00 PM Tomorrow 5:00 PM 6:00 PM 7:00 PM 8:00 PM Tomorrow 9:00 PM 10:00 PM 11:00 PM 12:00 AM Wednesday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Wednesday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Wednesday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Wednesday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Wednesday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Wednesday 9:00 PM 10:00 PM 11:00 PM 12:00 AM Thursday 1:00 AM 2:00 AM 3:00 AM 4:00 AM Thursday 5:00 AM 6:00 AM 7:00 AM 8:00 AM Thursday 9:00 AM 10:00 AM 11:00 AM 12:00 PM Thursday 1:00 PM 2:00 PM 3:00 PM 4:00 PM Thursday 5:00 PM 6:00 PM 7:00 PM 8:00 PM Thursday 9:00 PM 10:00 PM 11:00 PM 12:00 AM
Sustained wind Max gusts
Internal PR simulation: 3.79 Population: 955

Forecast data for Sidney were last refreshed today at 12:34 AM. The current forecast period extends through 01/09/2026 at 10:00 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.