Current US Threat Advisory Level
Forecast for Phoenix, Arizona
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| Lo: 80°F | Hi: 100°F |
Lo: 80°F | Hi: 95°F |
Lo: 78°F | Hi: 97°F |
Lo: 76°F | Hi: 102°F Lo: 76°F |
Hi: 102°F Lo: 76°F |
Hi: 104°F Lo: 89°F |
Expires: 415 AM MST FRI JUL 30 2010
- KPHX is at: Phoenix, Phoenix Sky Harbor International Airport
- In the state of: (AZ)
- In the country of United States (US)
- Station Latitude = 33.43N (decimal)
- Station Longitude = 112.05W (decimal)
- Station Elevation = 345 (meters)
- Time Zone = Mountain Standard Time (MST)
- Time Zone Offset from GMT = -7* (hours)
The International Civil Aviation Organization (ICAO), an agency of the United Nations, codifies the principles and techniques of international air navigation. The ICAO Code is a 4-letter airport code used to determin current conditions at that location at the time of request.
Wind Speed: SE 20 MPH G 36
Barometer: 29.86 in.
Dewpoint: 71°F
Heat Index: 80°F
Wind Chill: 78°F
Mostly cloudy in the evening...Then considerable cloudiness. Scattered showers and thunderstorms. Lows 74 to 84. Southwest wind 5 to 10 mph in the evening...Becoming southeast after midnight. Chance of rain 60 percent. Rainfall between a quarter and a half of an inch possible.
Moon Phase: Waning Gibbous MoonSunset: 7:30 PM MST
Dusk: 7:57 PM MST
Considerable cloudiness in the morning...Becoming partly cloudy. Slight chance of showers and thunderstorms. Highs 97 to 102. Southwest wind 5 to 10 mph. Chance of measurable rain 20 percent.
Sunrise: 5:39 AM MST
Mostly cloudy in the evening...Then considerable cloudiness. Chance of showers and thunderstorms. Lows 74 to 84. Southwest wind 5 to 15 mph. Chance of rain 40 percent.
Moon Phase: Waning Gibbous MoonSunset: 7:29 PM MST
Dusk: 7:56 PM MST
Partly cloudy in the morning...Then considerable cloudiness. Slight chance of showers and thunderstorms in the morning...Then chance of showers and thunderstorms in the afternoon. Not as warm. Highs 92 to 97. Southwest wind 5 to 10 mph. Chance of measurable rain 30 percent.
Sunrise: 5:40 AM MST
Mostly cloudy in the evening...Becoming partly cloudy. Chance of showers and thunderstorms in the evening...Then slight chance of showers and thunderstorms after midnight. Lows 73 to 81. Southwest wind around 10 mph in the evening...Becoming south around 5 mph after midnight. Chance of measurable rain 40 percent.
Moon Phase: Waning Gibbous MoonSunset: 7:28 PM MST
Dusk: 7:55 PM MST
Partly cloudy. Slight chance of showers and thunderstorms in the morning...Then chance of showers and thunderstorms in the afternoon. Highs in the mid to upper 90s. Chance of measurable rain 30 percent.
Sunrise: 5:40 AM MST
Partly cloudy. Chance of showers and thunderstorms in the evening...Then slight chance of showers and thunderstorms after midnight. Lows in the lower 70s to lower 80s. Chance of measurable rain 40 percent.
Moon Phase: Last Quarter MoonSunset: 7:27 PM MST
Dusk: 7:54 PM MST
Partly cloudy. A 10 percent chance of showers and thunderstorms. Warmer. Lows in the lower 70s to lower 80s. Highs 99 to 104.
Sunrise: 5:41 AM MST
Partly cloudy. A 10 percent chance of showers and thunderstorms. Warmer. Lows in the lower 70s to lower 80s. Highs 99 to 104.
Moon Phase: Waning Crescent MoonSunset: 7:26 PM MST
Dusk: 7:53 PM MST
Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 70s to upper 80s. Highs 101 to 106.
Sunrise: 5:42 AM MST
Partly cloudy. A 20 percent chance of showers and thunderstorms. Lows in the upper 70s to upper 80s. Highs 101 to 106.
Moon Phase: Waning Crescent MoonSunset: 7:25 PM MST
Dusk: 7:52 PM MST
Partly sunny. Highs 104 to 109.
Sunrise: 5:42 AM MST
Mostly clear. Lows 80 to 90. Highs 104 to 109.
Moon Phase: Waning Crescent MoonSunset: 7:24 PM MST
Dusk: 7:51 PM MST
Mostly clear. Lows 80 to 90. Highs 104 to 109.
Sunrise: 5:43 AM MST
Moon Phase: The phases of the Moon are related to (actually, caused by) the relative positions of the Moon and Sun in the sky. For example, New Moon occurs when the Sun and Moon are quite close together in the sky. Full Moon occurs when the Sun and Moon are at nearly opposite positions in the sky - which is why a Full Moon rises about the time of sunset, and sets about the time of sunrise, for most places on Earth.
Waning Gibbous Moon: The Moon appears to be more than one-half but not fully illuminated by direct sunlight. The fraction of the Moons disk that is illuminated is decreasing.
Twilight: Also known as "Dawn" preceding Sunrise and "Dusk" following Sunset. There are three kinds of twilight defined: civil twilight, nautical twilight, and astronomical twilight. For computational purposes, civil twilight begins before sunrise and ends after sunset when the geometric zenith distance of the center of the Sun is 96 degrees - 6 degrees below a horizontal plane. The corresponding solar zenith distances for nautical and astronomical twilight are 102 and 108 degrees, respectively. That is, at the dark limit of nautical twilight, the center of the Sun is geometrically 12 degrees below a horizontal plane; and at the dark limit of astronomical twilight, the center of the Sun is geometrically 18 degrees below a horizontal plane.
Sunrise and sunset: For computational purposes, sunrise or sunset is defined to occur when the geometric zenith distance of center of the Sun is 90.8333 degrees. That is, the center of the Sun is geometrically 50 arcminutes below a horizontal plane. For an observer at sea level with a level, unobstructed horizon, under average atmospheric conditions, the upper limb of the Sun will then appear to be tangent to the horizon. The 50-arcminute geometric depression of the Sun's center used for the computations is obtained by adding the average apparent radius of the Sun (16 arcminutes) to the average amount of atmospheric refraction at the horizon (34 arcminutes).
Accuracy of rise/set computations: The times of rise and set phenomena cannot be precisely computed, because, in practice, the actual times depend on unpredictable atmospheric conditions that affect the amount of refraction at the horizon. Thus, even under ideal conditions (e.g., a clear sky at sea) the times computed for rise or set may be in error by a minute or more. Local topography (e.g., mountains on the horizon) and the height of the observer can affect the times of rise or set even more. It is not practical to attempt to include such effects in routine rise/set computations.