Click for Hazardous Weather Outlook for Niles, Illinois
Change location by the zip code or city,state: or search for other weather forecast locations in Illinois by name.
Weather Conditions for Niles, Illinois : Cook County
Issued: 8:56 am CDT Sep 13, 2026 Latitude: 42.0189191 Longitude: -87.8028402 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Monday Tuesday Wednesday Thursday Friday Saturday
40% chance of rain on Today Mostly Clear on Tonight Mostly Sunny on Monday 60% chance of thunderstorms on Tuesday 60% chance of thunderstorms on Wednesday Rain on Thursday 20% chance of  on Friday 20% chance of  on Saturday
High: 73°F Low: 54°F High: 73°F High: 83°F High: 72°F High: 78°F High: 75°F High: 73°F
Low: 66°F Low: 63°F Low: 65°F Low: 64°F Low: 62°F  
Rain Mostly Clear Mostly Sunny Thunderstorms Thunderstorms Rain Partly Sunny Partly Sunny
40% chance of rain Today Today... Scattered showers, mainly between 1pm and 5pm. Increasing clouds, with a high near 73. North wind 10 to 15 mph. Chance of precipitation is 40%.

Mostly Clear on Tonight Tonight... Mostly clear, with a low around 54. North northwest wind around 5 mph becoming calm in the evening. Winds could gust as high as 15 mph.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 73. Light and variable wind becoming southeast 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

30% chance of thunderstorms Monday Night Monday Night... A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 66. South southeast wind around 15 mph, with gusts as high as 30 mph.

60% chance of thunderstorms Tuesday Tuesday... A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 83. South southwest wind 10 to 15 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

50% chance of thunderstorms Tuesday Night Tuesday Night... A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.

60% chance of thunderstorms Wednesday Wednesday... Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 72. Chance of precipitation is 60%.

Rain on Wednesday Night Wednesday Night... Showers likely, mainly after 1am. Cloudy, with a low around 65.

Rain on Thursday Thursday... Showers likely, mainly before 1pm. Mostly cloudy, with a high near 78.

20% chance of rain Thursday Night Thursday Night... A chance of showers. Mostly cloudy, with a low around 64.

20% chance of  Friday Friday... A chance of showers. Partly sunny, with a high near 75.

20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 62.

20% chance of  Saturday Saturday... A chance of showers. Partly sunny, with a high near 73.

Illinois' Warnings, Watches, and AdvisoriesIllinois' Watches, Warnings, and Advisories

Sun Almanac for Niles, Illinois
Astronomical Sunrise 04:54 AM?Astronomical sunrise occurs when the Sun is 18° below the horizon and the sky begins to brighten from a completly darkened state.
Nautical Sunrise 05:28 AM?Nautical sunrise (or nautical dawn) is the precise moment when the sun's center is 12° below the horizon in the morning. It marks the beginning of nautical twilight, allowing pilots/mariners to see the horizon.
Civil Sunrise 06:02 AM?Civil sunrise is the moment in the morning when the sun's center is 6° below the horizon. It marks the start of morning civil twilight, providing enough natural light for most, outdoor activities without artificial lighting. It typically occurs roughly 20-30 minutes before actual sunrise.
Sunrise 06:30 AM?Sunrise (or sunup) is the moment when the upper rim of the Sun appears on the horizon in the morning. It marks the end of the twilight phase, often accompanied by distinct atmospheric colors.

Daylight: 12 Hours 34 Minutes?Daylight hours are the period of time between local sunrise and sunset, representing the daily portion of sunlight. These hours change in length based on season, Earth's tilt, and latitude.

Sunset 7:04 PM?The sunset is defined in astronomy as the moment the upper limb of the Sun disappears below the horizon. It marks the end of daylight and is often accompanied by distinct atmospheric colors. It also signals the beginning of twilight.
Civil Sunset 7:33 PM?Civil sunset (or evening civil twilight) occurs when the center of the sun is 6° below the horizon, marking the end of the brightest twilight phase. It typically occurs roughly 20-30 minutes after sunset, providing enough light for most outdoor activities to continue without artificial light.
Nautical Sunset 8:06 PM?Nautical sunset occurs when the sun's center is 12° below the horizon, marking the end of nautical twilight. This phase, following civil twilight, allows the horizon to remain visible, enabling mariners to take accurate star sights for navigation. The sky is dark, but some ambient light remains
Astronomical Sunset 8:40 PM?Astronomical sunrise occurs when the Sun drops to 18° below the horizon. This causes the sky to enter a completly darkened state.

Civil Rise to Set: 13 Hours 31 Minutes
Nautical Rise to Set: 14 Hours 38 Minutes
Astro Rise to Set: 15 Hours 46 Minutes

Click for yearly Sun Almanac for Niles
Moon Almanac for Niles, Illinois
Moon Phase: Waxing Crescent
Moon Illumination: 7%
Moon Age: 2.50 Days
Moon is currently below the horizon
Distance from Moon to Earth: 243,019 miles
Upcoming Lunar Events for
Niles:
Next EventEvent TimeIllum

Moonrise:09:18 am Sun6.6%
High Moon:02:43 pm Sun7.9%
Moonset:07:58 pm Sun9.1%
New Moon: Thu Sep 10
First Quarter: Fri Sep 18
Full Moon: Sat Sep 26
Last Quarter: Sat Oct 3
New Moon: Sat Oct 10
Click for Monthly Moon Almanac