Waterloo, SL Air Quality & Pollen

Scattered thunderstorms this morning, then mainly cloudy during the afternoon with thunderstorms likely. Heavy downpours, frequent lightning with storms. High 86F. Winds S at 5 to 10 mph. Chance of rain 80%.

Tonight

Mon 10/19

Low 75°f

48% Precip. / 0.05 in

Scattered thunderstorms early, then partly cloudy after midnight. Low around 75F. Winds light and variable. Chance of rain 50%.

Tomorrow

Tue 10/20

High 89°f75°f

74% Precip. / 0.2 in

Cloudy skies during the morning hours followed by thunderstorms in the afternoon. High 89F. Winds NNW at 5 to 10 mph. Chance of rain 70%.

Hourly Forecast

Now

77°

6AM

77°

6:39AM

Sunrise

7AM

44%

77°

8AM

46%

78°

9AM

81°

10AM

83°

11AM

58%

84°

12PM

66%

85°

1PM

83%

86°

2PM

78%

85°

3PM

80%

85°

4PM

83%

85°

5PM

38%

83°

6PM

31%

82°

6:34PM

Sunset

7PM

80°

8PM

79°

9PM

49%

78°

10PM

37%

78°

11PM

40%

78°

12AM

77°

1AM

76°

2AM

76°

3AM

76°

4AM

76°

5AM

22%

76°

Precipitation

83%

Thunderstorms possible after 7 AM

Additional Conditions

Pressure 29.87 in
Visibility 5 miles
Clouds Mostly Cloudy
Dew Point76°F
Humidity 96%
Rainfall 0.04 in
Snow Depth 0 in

GFHA Station History

Almanac for October 19, 2026

Forecast Average Record
Temperature
High 86°F 86°F -°F
Low 76°F 74°F -°F
Rain/Snow Depth
Precipitation 0.34 in 0.3 in -
Snow 0 in - in -

Almanac for October 20, 2026

Forecast Average Record
Temperature
High 89°F 86°F -°F
Low 75°F 74°F -°F

Astronomy

Sun Rise Set
Actual Time 6:39 AM 6:34 PM
Civil Twilight 6:18 AM 6:55 PM
Nautical Twilight 5:54 AM 7:20PM
Astronomical Twilight 5:29 AM 7:44 PM

Length of Visible Light 12h 37m
Length of Day 11h 54m
Tomorrow will be 25 seconds shorter

Moon 1:48 PM 12:57 AM
Waxing Gibbous58% of the Moon is Illuminated

Oct 26

Full Moon

Nov 1

Waning Half Last Qtr

Nov 9

New Moon

Nov 17

Waxing Half First Qtr

Nearby Weather Stations

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