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Thornton, Colorado weather · now

64°

Clear

High / Low
98° / 62°
Wind
37 mph NNW
Humidity
45%
No precipitation expected in the next 1.6 hours.
GoodAir quality PollenTreeNoneGrassHighWeedLow
Sun 5:41 AM 8:29 PM 14h 48m
Moon Waning Crescent 12% lit

Current weather and 7-day forecast for Thornton, Colorado, sourced directly from the National Weather Service. Expect sunny today. Today's high is 98° with a low near 62°. 1 active weather alert in effect.

What to wear today

Stay cool — limit sun exposure

Extreme heat at 98°F. Light colors, hat, and shade breaks.

Next 24 hours

55° 80° 105° ↑ 97° ↓ 63° 5 AM 8 AM 11 AM 2 PM 5 PM 8 PM 11 PM 2 AM

  1. 5 AM

    66°

    0%

  2. 7 AM

    67°

    0%

  3. 9 AM

    73°

    0%

  4. 11 AM

    85°

    0%

  5. 1 PM

    93°

    0%

  6. 3 PM

    96°

    3%

  7. 5 PM

    97°

    3%

  8. 7 PM

    94°

    2%

  9. 9 PM

    87°

    0%

  10. 11 PM

    82°

    0%

  11. 1 AM

    78°

    0%

  12. 3 AM

    72°

    0%

Live radar

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7 days

  1. Today 7/11 Sunny 3% 98° · 62°
    1. 5 AM 66° Mostly Clear
    2. 6 AM 63° Sunny
    3. 7 AM 67° Sunny
    4. 8 AM 70° Sunny
    5. 9 AM 73° Sunny
    6. 10 AM 81° Sunny
    7. 11 AM 85° Sunny
    8. 12 PM 89° Sunny
    9. 1 PM 93° Sunny
    10. 2 PM 96° Sunny 3%
    11. 3 PM 96° Sunny 3%
    12. 4 PM 96° Sunny 3%
    13. 5 PM 97° Mostly Sunny 3%
    14. 6 PM 96° Partly Cloudy 2%
    15. 7 PM 94° Partly Cloudy 2%
    16. 8 PM 92° Mostly Clear
    17. 9 PM 87° Mostly Clear
    18. 10 PM 85° Mostly Clear
    19. 11 PM 82° Mostly Clear
  2. Sun 7/12 Sunny 1% 96° · 67°
    1. 12 AM 79° Mostly Clear
    2. 1 AM 78° Mostly Clear
    3. 2 AM 75° Clear
    4. 3 AM 72° Mostly Clear
    5. 4 AM 70° Mostly Clear
    6. 5 AM 68° Clear
    7. 6 AM 66° Sunny
    8. 7 AM 69° Sunny
    9. 8 AM 72° Sunny
    10. 9 AM 75° Sunny
    11. 10 AM 82° Sunny
    12. 11 AM 86° Sunny
    13. 12 PM 89° Sunny 1%
    14. 1 PM 92° Sunny 1%
    15. 2 PM 95° Sunny 1%
    16. 3 PM 95° Sunny 1%
    17. 4 PM 95° Sunny 1%
    18. 5 PM 95° Sunny 1%
    19. 6 PM 94° Clear 1%
    20. 7 PM 93° Mostly Clear 1%
    21. 8 PM 90° Mostly Clear 1%
    22. 9 PM 87° Mostly Clear 1%
    23. 10 PM 85° Mostly Clear 1%
    24. 11 PM 83° Mostly Clear 1%
  3. Mon 7/13 Sunny 1% 98° · 67°
    1. 12 AM 81° Mostly Clear
    2. 1 AM 79° Clear
    3. 2 AM 77° Clear
    4. 3 AM 74° Clear
    5. 4 AM 71° Clear
    6. 5 AM 69° Mostly Clear
    7. 6 AM 68° Sunny
    8. 7 AM 69° Sunny
    9. 8 AM 72° Sunny
    10. 9 AM 76° Sunny
    11. 10 AM 81° Sunny
    12. 11 AM 87° Sunny
    13. 12 PM 91° Sunny 1%
    14. 1 PM 94° Sunny 1%
    15. 2 PM 96° Sunny 1%
    16. 3 PM 97° Sunny 1%
    17. 4 PM 97° Sunny 1%
    18. 5 PM 96° Sunny 1%
    19. 6 PM 95° Mostly Clear 1%
    20. 7 PM 93° Mostly Clear 1%
    21. 8 PM 91° Mostly Clear 1%
    22. 9 PM 88° Mostly Clear 1%
    23. 10 PM 86° Mostly Clear 1%
    24. 11 PM 83° Mostly Clear 1%
  4. Tue 7/14 Sunny 2% 97° · 66°
    1. 12 AM 81° Mostly Clear
    2. 1 AM 78° Clear
    3. 2 AM 76° Clear
    4. 3 AM 73° Clear
    5. 4 AM 71° Clear
    6. 5 AM 69° Mostly Clear
    7. 6 AM 68° Sunny
    8. 7 AM 69° Sunny
    9. 8 AM 72° Sunny
    10. 9 AM 76° Sunny
    11. 10 AM 81° Sunny
    12. 11 AM 86° Sunny
    13. 12 PM 90° Sunny 2%
    14. 1 PM 93° Sunny 2%
    15. 2 PM 95° Sunny 2%
    16. 3 PM 96° Sunny 2%
    17. 4 PM 97° Sunny 2%
    18. 5 PM 96° Sunny 2%
    19. 6 PM 95° Clear 1%
    20. 7 PM 93° Clear 1%
    21. 8 PM 90° Clear 1%
    22. 9 PM 88° Clear 1%
    23. 10 PM 86° Clear 1%
    24. 11 PM 83° Clear 1%
  5. Wed 7/15 Sunny 3% 96° · 66°
    1. 12 AM 81° Mostly Clear
    2. 1 AM 78° Mostly Clear
    3. 2 AM 75° Mostly Clear
    4. 3 AM 72° Mostly Clear
    5. 4 AM 69° Mostly Clear
    6. 5 AM 67° Mostly Clear
    7. 6 AM 67° Sunny
    8. 7 AM 69° Sunny
    9. 8 AM 73° Sunny
    10. 9 AM 77° Sunny
    11. 10 AM 81° Sunny
    12. 11 AM 85° Sunny
    13. 12 PM 89° Sunny 2%
    14. 1 PM 92° Sunny 2%
    15. 2 PM 94° Sunny 2%
    16. 3 PM 95° Sunny 2%
    17. 4 PM 96° Sunny 2%
    18. 5 PM 95° Sunny 2%
    19. 6 PM 94° Mostly Clear 3%
    20. 7 PM 92° Mostly Clear 3%
    21. 8 PM 90° Mostly Clear 3%
    22. 9 PM 87° Mostly Clear 3%
    23. 10 PM 85° Mostly Clear 3%
    24. 11 PM 82° Mostly Clear 3%
  6. Thu 7/16 Sunny 5% 96° · 67°
    1. 12 AM 80° Mostly Clear
    2. 1 AM 77° Mostly Clear
    3. 2 AM 74° Mostly Clear
    4. 3 AM 72° Mostly Clear
    5. 4 AM 69° Mostly Clear
    6. 5 AM 67° Mostly Clear
    7. 6 AM 67° Sunny 1%
    8. 7 AM 69° Sunny 1%
    9. 8 AM 74° Sunny 1%
    10. 9 AM 78° Sunny 1%
    11. 10 AM 82° Sunny 1%
    12. 11 AM 85° Sunny 1%
    13. 12 PM 88° Sunny 4%
    14. 1 PM 91° Sunny 4%
    15. 2 PM 93° Sunny 4%
    16. 3 PM 95° Sunny 4%
    17. 4 PM 96° Sunny 4%
    18. 5 PM 95° Sunny 4%
    19. 6 PM 94° Mostly Clear 5%
    20. 7 PM 93° Mostly Clear 5%
    21. 8 PM 90° Mostly Clear 5%
    22. 9 PM 88° Mostly Clear 5%
    23. 10 PM 85° Mostly Clear 5%
    24. 11 PM 83° Mostly Clear 5%
  7. Fri 7/17 Sunny 10% 97° · —
    1. 12 AM 80° Partly Cloudy 1%
    2. 1 AM 77° Partly Cloudy 1%
    3. 2 AM 74° Partly Cloudy 1%
    4. 3 AM 72° Partly Cloudy 1%
    5. 4 AM 70° Partly Cloudy 1%
    6. 5 AM 69° Partly Cloudy 1%
    7. 6 AM 69° Sunny 2%
    8. 7 AM 71° Sunny 2%
    9. 8 AM 75° Sunny 2%
    10. 9 AM 79° Sunny 2%
    11. 10 AM 83° Sunny 2%
    12. 11 AM 87° Sunny 2%
    13. 12 PM 90° Sunny 10%
    14. 1 PM 93° Sunny 10%
    15. 2 PM 95° Sunny 10%
    16. 3 PM 96° Sunny 10%
    17. 4 PM 96° Sunny 10%
Extended outlook days 8–16
  1. Sat 7/18 Partly Cloudy 22% 97° · 75°
  2. Sun 7/19 Cloudy 31% 102° · 76°
  3. Mon 7/20 Cloudy 38% 96° · 78°
  4. Tue 7/21 Cloudy 42% 103° · 77°
  5. Wed 7/22 Drizzle 41% 100° · 75°
  6. Thu 7/23 Cloudy 42% 103° · 76°
  7. Fri 7/24 Cloudy 43% 104° · 80°
  8. Sat 7/25 Cloudy 45% 92° · 74°
  9. Sun 7/26 Cloudy 45% 101° · 72°

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

Best day this week

Quiet week — most days look comparable.

Sunday, 7/12

Sunny, 96° / 67°

  1. Tomorrow96°67°
  2. Mon98°67°
  3. Tue97°66°
  4. Wed96°66°
  5. Thu96°67°
  6. Fri97°

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.

  • Run6 AM

    comfortable at 63°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Bike6 AM

    comfortable at 63°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Golf6 AM

    comfortable at 63°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Picnic8 AM

    comfortable at 70°F · calm wind · no rain expected · pollen high today — allergy sufferers, take note

    Excellent100 / 100
  • Magic ShowAnytime

    Any weather is magic show weather. Indoors or out, magic doesn't care.

    Corporate Magician Scott Henderson

Climate normals

What weather to expect in Thornton

Thornton in July typically averages 90° highs and 62° lows, with about 9 days of rain. The hottest stretch is July (average high 90°); the coldest is January (average low 19°). May is the wettest month on average.

MonthAvg highAvg lowRainy days
Jan41°19°9
Feb50°24°6
Mar64°35°7
Apr65°38°12
May71°46°19
Jun84°57°13
Jul90°62°9
Aug88°62°11
Sep82°53°6
Oct70°43°6
Nov53°30°8
Dec50°28°5

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

More for Thornton

Other cities in Colorado

Detailed forecast (NWS)

Saturday
Sunny, with a high near 98. North wind 2 to 8 mph.
Sunday
Sunny, with a high near 96. East northeast wind 2 to 13 mph, with gusts as high as 24 mph.
Monday
Sunny, with a high near 98.
Tuesday
Sunny, with a high near 97.

Forecast details

NWS gridpoint
BOU 64,67
Radar station
KFTG
Time zone
America/Denver
Coordinates
39.868, -104.972