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Surprise, Arizona weather · now

89°

Mostly Clear

Feels
92°
High / Low
105° / 83°
Wind
29 mph SSW
Humidity
51%
No precipitation expected in the next 1.5 hours.

Precipitation · next 12 hrs

Peak 22% · 9 PM

11 AM
·
·
2 PM
·
·
5 PM
·
·
8 PM
·
10 PM
ModerateAir quality PollenTreeNoneGrassModerateWeedModerate
Sun 5:48 AM 7:20 PM 13h 32m
Moon Waning Crescent 3% lit

Current weather and 7-day forecast for Surprise, Arizona, sourced directly from the National Weather Service. Expect sunny then slight chance showers and thunderstorms today. Today's high is 105° with a low near 83°. 1 active weather alert in effect.

What to wear today

Stay cool — limit sun exposure

Extreme heat at 105°F. Light colors, hat, and shade breaks.

Next 24 hours

75° 95° 110° ↑ 105° ↓ 83° 11 AM 2 PM 5 PM 8 PM 11 PM 2 AM 5 AM 8 AM

  1. 11 AM

    98°

    3%

  2. 1 PM

    102°

    1%

  3. 3 PM

    104°

    1%

  4. 5 PM

    105°

    16%

  5. 7 PM

    102°

    16%

  6. 9 PM

    95°

    22%

  7. 11 PM

    92°

    16%

  8. 1 AM

    90°

    15%

  9. 3 AM

    87°

    20%

  10. 5 AM

    85°

    16%

  11. 7 AM

    85°

    16%

  12. 9 AM

    89°

    13%

Live radar

View full radar →
Open full radar →

7 days

  1. Today 8/11 Sunny then Slight Chance Showers And Thunderstorms 22% 105° · 83°
    1. 11 AM 98° Mostly Sunny 3%
    2. 12 PM 100° Mostly Sunny 2%
    3. 1 PM 102° Sunny 1%
    4. 2 PM 104° Sunny 1%
    5. 3 PM 104° Sunny 1%
    6. 4 PM 105° Sunny 1%
    7. 5 PM 105° Slight Chance Showers And Thunderstorms 16%
    8. 6 PM 104° Slight Chance Showers And Thunderstorms 14%
    9. 7 PM 102° Slight Chance Showers And Thunderstorms 16%
    10. 8 PM 98° Slight Chance Showers And Thunderstorms 15%
    11. 9 PM 95° Slight Chance Showers And Thunderstorms 22%
    12. 10 PM 93° Slight Chance Showers And Thunderstorms 20%
    13. 11 PM 92° Slight Chance Showers And Thunderstorms 16%
  2. Wed 8/12 Slight Chance Showers And Thunderstorms 37% 100° · 80°
    1. 12 AM 91° Slight Chance Showers And Thunderstorms 17%
    2. 1 AM 90° Slight Chance Showers And Thunderstorms 15%
    3. 2 AM 89° Slight Chance Showers And Thunderstorms 16%
    4. 3 AM 87° Slight Chance Showers And Thunderstorms 20%
    5. 4 AM 86° Slight Chance Showers And Thunderstorms 19%
    6. 5 AM 85° Slight Chance Showers And Thunderstorms 16%
    7. 6 AM 83° Slight Chance Showers And Thunderstorms 17%
    8. 7 AM 85° Slight Chance Showers And Thunderstorms 16%
    9. 8 AM 86° Slight Chance Rain Showers 16%
    10. 9 AM 89° Mostly Sunny 13%
    11. 10 AM 91° Mostly Sunny 12%
    12. 11 AM 93° Slight Chance Showers And Thunderstorms 14%
    13. 12 PM 95° Slight Chance Showers And Thunderstorms 13%
    14. 1 PM 96° Slight Chance Showers And Thunderstorms 12%
    15. 2 PM 99° Slight Chance Showers And Thunderstorms 13%
    16. 3 PM 98° Slight Chance Showers And Thunderstorms 14%
    17. 4 PM 99° Slight Chance Showers And Thunderstorms 14%
    18. 5 PM 98° Slight Chance Showers And Thunderstorms 24%
    19. 6 PM 97° Slight Chance Showers And Thunderstorms 22%
    20. 7 PM 95° Slight Chance Showers And Thunderstorms 24%
    21. 8 PM 92° Chance Showers And Thunderstorms 32%
    22. 9 PM 90° Chance Showers And Thunderstorms 32%
    23. 10 PM 88° Chance Showers And Thunderstorms 33%
    24. 11 PM 87° Chance Showers And Thunderstorms 37%
  3. Thu 8/13 Mostly Sunny then Chance Showers And Thunderstorms 36% 99° · 80°
    1. 12 AM 86° Chance Showers And Thunderstorms 36%
    2. 1 AM 86° Chance Showers And Thunderstorms 36%
    3. 2 AM 85° Chance Showers And Thunderstorms 36%
    4. 3 AM 83° Chance Showers And Thunderstorms 35%
    5. 4 AM 83° Chance Showers And Thunderstorms 36%
    6. 5 AM 82° Mostly Cloudy 14%
    7. 6 AM 81° Partly Sunny 14%
    8. 7 AM 82° Mostly Sunny 14%
    9. 8 AM 85° Mostly Sunny 14%
    10. 9 AM 87° Mostly Sunny 14%
    11. 10 AM 89° Mostly Sunny 14%
    12. 11 AM 91° Mostly Sunny 6%
    13. 12 PM 93° Mostly Sunny 6%
    14. 1 PM 95° Mostly Sunny 6%
    15. 2 PM 97° Mostly Sunny 6%
    16. 3 PM 98° Mostly Sunny 6%
    17. 4 PM 99° Partly Sunny 6%
    18. 5 PM 98° Chance Showers And Thunderstorms 36%
    19. 6 PM 97° Chance Showers And Thunderstorms 36%
    20. 7 PM 94° Chance Showers And Thunderstorms 36%
    21. 8 PM 92° Chance Showers And Thunderstorms 36%
    22. 9 PM 90° Chance Showers And Thunderstorms 36%
    23. 10 PM 88° Chance Showers And Thunderstorms 36%
    24. 11 PM 87° Chance Showers And Thunderstorms 28%
  4. Fri 8/14 Mostly Sunny 6% 101° · 81°
    1. 12 AM 86° Chance Showers And Thunderstorms 28%
    2. 1 AM 85° Chance Showers And Thunderstorms 28%
    3. 2 AM 84° Chance Showers And Thunderstorms 28%
    4. 3 AM 83° Chance Showers And Thunderstorms 28%
    5. 4 AM 82° Chance Showers And Thunderstorms 28%
    6. 5 AM 81° Mostly Cloudy 3%
    7. 6 AM 82° Mostly Sunny 3%
    8. 7 AM 83° Mostly Sunny 3%
    9. 8 AM 85° Mostly Sunny 3%
    10. 9 AM 87° Mostly Sunny 3%
    11. 10 AM 89° Mostly Sunny 3%
    12. 11 AM 92° Mostly Sunny 3%
    13. 12 PM 95° Mostly Sunny 3%
    14. 1 PM 97° Mostly Sunny 3%
    15. 2 PM 99° Mostly Sunny 3%
    16. 3 PM 100° Mostly Sunny 3%
    17. 4 PM 101° Mostly Sunny 3%
    18. 5 PM 100° Sunny 6%
    19. 6 PM 98° Mostly Clear 6%
    20. 7 PM 97° Mostly Clear 6%
    21. 8 PM 95° Mostly Clear 6%
    22. 9 PM 93° Mostly Clear 6%
    23. 10 PM 92° Mostly Clear 6%
    24. 11 PM 90° Mostly Clear 6%
  5. Sat 8/15 Mostly Sunny 7% 104° · 83°
    1. 12 AM 89° Mostly Clear 6%
    2. 1 AM 87° Mostly Clear 6%
    3. 2 AM 86° Mostly Clear 6%
    4. 3 AM 84° Mostly Clear 6%
    5. 4 AM 83° Mostly Clear 6%
    6. 5 AM 82° Partly Cloudy 4%
    7. 6 AM 83° Mostly Sunny 4%
    8. 7 AM 85° Mostly Sunny 4%
    9. 8 AM 88° Mostly Sunny 4%
    10. 9 AM 91° Mostly Sunny 4%
    11. 10 AM 94° Mostly Sunny 4%
    12. 11 AM 97° Mostly Sunny 1%
    13. 12 PM 100° Mostly Sunny 1%
    14. 1 PM 102° Mostly Sunny 1%
    15. 2 PM 103° Mostly Sunny 1%
    16. 3 PM 104° Mostly Sunny 1%
    17. 4 PM 104° Mostly Sunny 1%
    18. 5 PM 103° Sunny 1%
    19. 6 PM 102° Mostly Clear 1%
    20. 7 PM 100° Mostly Clear 1%
    21. 8 PM 98° Mostly Clear 1%
    22. 9 PM 96° Mostly Clear 1%
    23. 10 PM 94° Mostly Clear 1%
    24. 11 PM 92° Partly Cloudy 4%
  6. Sun 8/16 Mostly Sunny 7% 107° · 85°
    1. 12 AM 90° Partly Cloudy 4%
    2. 1 AM 88° Partly Cloudy 4%
    3. 2 AM 87° Partly Cloudy 4%
    4. 3 AM 86° Partly Cloudy 4%
    5. 4 AM 85° Partly Cloudy 4%
    6. 5 AM 85° Partly Cloudy 7%
    7. 6 AM 86° Mostly Sunny 7%
    8. 7 AM 88° Mostly Sunny 7%
    9. 8 AM 90° Mostly Sunny 7%
    10. 9 AM 93° Mostly Sunny 7%
    11. 10 AM 97° Mostly Sunny 7%
    12. 11 AM 100° Mostly Sunny 2%
    13. 12 PM 103° Mostly Sunny 2%
    14. 1 PM 105° Mostly Sunny 2%
    15. 2 PM 106° Mostly Sunny 2%
    16. 3 PM 107° Mostly Sunny 2%
    17. 4 PM 107° Mostly Sunny 2%
    18. 5 PM 106° Sunny 3%
    19. 6 PM 104° Mostly Clear 3%
    20. 7 PM 102° Mostly Clear 3%
    21. 8 PM 100° Mostly Clear 3%
    22. 9 PM 98° Mostly Clear 3%
    23. 10 PM 96° Mostly Clear 3%
    24. 11 PM 94° Mostly Clear 1%
  7. Mon 8/17 Sunny 8% 108° · 87°
    1. 12 AM 92° Mostly Clear 1%
    2. 1 AM 91° Mostly Clear 1%
    3. 2 AM 90° Mostly Clear 1%
    4. 3 AM 88° Mostly Clear 1%
    5. 4 AM 87° Mostly Clear 1%
    6. 5 AM 87° Mostly Clear 2%
    7. 6 AM 88° Sunny 2%
    8. 7 AM 90° Sunny 2%
    9. 8 AM 92° Sunny 2%
    10. 9 AM 95° Sunny 2%
    11. 10 AM 99° Sunny 2%
    12. 11 AM 102° Sunny 4%
    13. 12 PM 105° Sunny 4%
    14. 1 PM 107° Sunny 4%
    15. 2 PM 108° Sunny 4%
    16. 3 PM 108° Sunny 4%
    17. 4 PM 108° Sunny 4%
    18. 5 PM 107° Sunny 7%
    19. 6 PM 106° Mostly Clear 7%
    20. 7 PM 104° Mostly Clear 7%
    21. 8 PM 102° Mostly Clear 7%
    22. 9 PM 100° Mostly Clear 7%
    23. 10 PM 98° Mostly Clear 7%
Extended outlook days 8–16
  1. Tue 8/18 Cloudy 11% 108° · 91°
  2. Wed 8/19 Partly Cloudy 13% 107° · 89°
  3. Thu 8/20 Rain Showers 13% 103° · 85°
  4. Fri 8/21 Partly Cloudy 13% 105° · 90°
  5. Sat 8/22 Drizzle 35% 105° · 88°
  6. Sun 8/23 Drizzle 13% 104° · 87°
  7. Mon 8/24 Drizzle 16% 101° · 81°
  8. Tue 8/25 Cloudy 19% 98° · 85°
  9. Wed 8/26 Cloudy 39% 104° · 89°

Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.

Best day this week

Mild temps, low rain chance, clearer skies.

Monday, 8/17

Sunny, 108° / 87°

  1. Tomorrow100°80°
  2. Thu99°80°
  3. Fri101°81°
  4. Sat104°83°
  5. Sun107°85°
  6. Mon108°87°

Best time to head outside

Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.

How well did we do?

Average miss by lead time.

Each morning we save the day's predicted high/low. As later days arrive, we grade what we said against what the station actually recorded.

Same day
±6°
6 days graded
1 day out
±5°
6 days graded
3 days out
±6°
6 days graded
7 days out
±6°
7 days graded
Day-by-day, 1 day out6 days
  1. Yesterday±1°
    High108°107°+1°
    Low84°84°0°
  2. Sun, Aug 9±9°
    High111°111°0°
    Low88°79°+9°
  3. Fri, Aug 7±2°
    High113°111°+2°
    Low90°88°+2°
  4. Thu, Aug 6±5°
    High110°105°+5°
    Low87°89°-2°
  5. Wed, Aug 5±5°
    High109°104°+5°
    Low87°92°-5°
  6. Tue, Aug 4±10°
    High111°107°+4°
    Low88°98°-10°

Climate normals

What weather to expect in Surprise

Surprise in August typically averages 107° highs and 84° lows, with about 4 days of rain. The hottest stretch is July (average high 107°); the coldest is January (average low 45°).

MonthAvg highAvg lowRainy days
Jan67°45°3
Feb77°52°4
Mar83°57°5
Apr86°60°1
May94°68°2
Jun105°77°4
Jul107°83°4
Aug107°84°4
Sep100°77°5
Oct91°65°4
Nov75°51°5
Dec72°48°2

Normals derived from the past two years of observations via Open-Meteo's historical archive.

More for Surprise

Other cities in Arizona

Detailed forecast (NWS)

Today
A slight chance of showers and thunderstorms after 5pm. Sunny, with a high near 105. West southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny. High near 100, with temperatures falling to around 98 in the afternoon. South southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 99. South southeast wind 5 to 10 mph. Chance of precipitation is 40%.
Friday
Mostly sunny, with a high near 101. South southeast wind around 5 mph.

Forecast details

NWS gridpoint
PSR 149,67
Radar station
KIWA
Time zone
America/Phoenix
Coordinates
33.629, -112.368