Waterloo, SL Weather Conditions | Weather Underground

Partly cloudy skies this evening. Increasing clouds with periods of showers late. Low near 75F. Winds light and variable. Chance of rain 60%.

Tomorrow

Tue 10/20

High 87°f

89% Precip. / 0.26 in

Thunderstorms likely. Heavy downpours, frequent lightning with storms. High 87F. Winds NW at 5 to 10 mph. Chance of rain 90%.

Tomorrow night

Tue 10/20

Low 75°f

71% Precip. / 0.14 in

Thunderstorms in the evening, then variable clouds overnight with still a chance of showers. Storms could contain frequent lightning. Low around 75F. Winds light and variable. Chance of rain 70%.

Hourly Forecast

Now

80°

8PM

79°

9PM

79°

10PM

78°

11PM

78°

12AM

78°

1AM

77°

2AM

77°

3AM

62%

77°

4AM

42%

76°

5AM

34%

76°

6AM

77°

6:39AM

Sunrise

7AM

22%

77°

8AM

78°

9AM

80°

10AM

83°

11AM

85°

12PM

71%

86°

1PM

84%

86°

2PM

89%

86°

3PM

89%

85°

4PM

48%

84°

5PM

46%

83°

6PM

55%

82°

6:33PM

Sunset

7PM

42%

80°

Additional Conditions

Pressure 29.89 in
Visibility 9 miles
Clouds Partly Cloudy
Dew Point77°F
Humidity 90%
Rainfall 0.21 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 0.06 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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