Waterloo, SL Weather Conditions | Weather Underground

Scattered thunderstorms. Storms could contain frequent lightning. High 84F. Winds SW at 5 to 10 mph. Chance of rain 60%.

Tonight

Mon 10/19

Low 75°f

52% Precip. / 0.13 in

Cloudy with occasional rain showers. Low around 75F. Winds light and variable. Chance of rain 50%.

Tomorrow

Tue 10/20

High 87°f75°f

90% Precip. / 0.31 in

Scattered thunderstorms in the morning becoming more widespread in the afternoon. Heavy downpours, frequent lightning with storms. High 87F. Winds NW at 5 to 10 mph. Chance of rain 90%.

Hourly Forecast

Now

84°

2PM

59%

84°

3PM

69%

84°

4PM

49%

84°

5PM

83°

6PM

82°

6:34PM

Sunset

7PM

80°

8PM

79°

9PM

78°

10PM

78°

11PM

37%

78°

12AM

39%

78°

1AM

38%

77°

2AM

52%

77°

3AM

52%

77°

4AM

40%

76°

5AM

31%

76°

6AM

76°

6:39AM

Sunrise

7AM

15%

76°

8AM

77°

9AM

80°

10AM

83°

11AM

85°

12PM

44%

86°

1PM

71%

87°

Precipitation

71%

Storms continuing through 4 PM

Additional Conditions

Pressure 29.88 in
Visibility 9 miles
Clouds Mostly Cloudy
Dew Point78°F
Humidity 82%
Rainfall 0.16 in
Snow Depth 0 in

GFHA Station History

Almanac for October 19, 2026

Forecast Average Record
Temperature
High 85°F 86°F -°F
Low 76°F 74°F -°F
Rain/Snow Depth
Precipitation 0.17 in 0.3 in -
Snow 0 in - in -

Almanac for October 20, 2026

Forecast Average Record
Temperature
High 87°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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