Rosslyn Weather Conditions
Current Temperature Level
Rosslyn Weather Conditions
Current Temperature Level
Feels Like 13°C
Chances of Rain0%
17°0%1 AM17°0%2 AM16°1%3 AM16°1%4 AM15°1%5 AM15°1%6 AM15°1%7 AM
15°1%8 AM18°0%9 AM20°0%10 AM21°0%11 AM23°0%12 PM25°0%1 PM26°0%2 PM27°0%3 PM27°0%4 PM27°0%5 PM27°0%6 PM24°0%7 PM23°0%8 PM22°0%9 PM21°0%10 PM20°0%11 PM19°0%Skies are likely to remain clear overnight.
Last Updated: 2026-08-18 00:30 (Local Time)
190°S
Direction
5.8km/h
Wind Speed
Gust Speed
1.6m/s
Precipitation
Precipitation
0mm
Pressure
1023mb
UV Index
0Low
Today
21
°C
22%Wednesday
20
°C29%Thursday
22
°C26%Friday
21
°C37%Saturday
22
°C34%Sunday
24
°C23%Monday
21
°C42%Tuesday
23
°C30%Wednesday
19
°C31%Thursday
18
°C34%Sunny
Clear Sky with temperature at 21 °C and humidity will be at 22% with 10.1 km/h winds.27°C / 15°C
Humi.22 %
Prec.0 mm
Sunrise
06:33 AM11hrs 16min
Sunset
05:49 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Clear
17 °C
27 %
0
6.8 kmph / SSW
Clear
Feels 14 °C
Cover 0 %
Visibility 10 km
1 AM
Smog
17 °C
28 %
0
5.8 kmph / S
SmogFeels 13 °C
Cover 0 %
Visibility 5.4 km
2 AM
Smog
16 °C
29 %
0
4.7 kmph / S
SmogFeels 13 °C
Cover 0 %
Visibility 5.5 km
3 AM
Smog
16 °C
29 %
0
4.7 kmph / SSE
SmogFeels 13 °C
Cover 0 %
Visibility 5.8 km
4 AM
Smog
15 °C
30 %
0
6.1 kmph / SE
SmogFeels 12 °C
Cover 0 %
Visibility 6.3 km
5 AM
Smog
15 °C
31 %
0
6.1 kmph / SE
SmogFeels 12 °C
Cover 0 %
Visibility 6.9 km
6 AM
Smog
15 °C
31 %
0
6.1 kmph / SE
SmogFeels 11 °C
Cover 0 %
Visibility 7.5 km
7 AM
Sunny
15 °C
32 %
0.2
7.2 kmph / SE
SunnyFeels 11 °C
Cover 0 %
Visibility 7.7 km
8 AM
Sunny
18 °C
26 %
0.9
5.8 kmph / SE
SunnyFeels 14 °C
Cover 0 %
Visibility 8.1 km
9 AM
Sunny
20 °C
22 %
2.6
4.7 kmph / SE
SunnyFeels 16 °C
Cover 1 %
Visibility 10 km
10 AM
Sunny
21 °C
20 %
4.8
4 kmph / SSE
SunnyFeels 18 °C
Cover 0 %
Visibility 10 km
11 AM
Sunny
23 °C
17 %
6.7
2.9 kmph / SSE
SunnyFeels 20 °C
Cover 0 %
Visibility 10 km
12 PM
Sunny
25 °C
15 %
7.6
1.8 kmph / SSE
SunnyFeels 22 °C
Cover 0 %
Visibility 10 km
1 PM
Sunny
26 °C
13 %
7.1
1.1 kmph / SSE
SunnyFeels 23 °C
Cover 0 %
Visibility 10 km
2 PM
Sunny
27 °C
12 %
5.4
0.4 kmph / ESE
SunnyFeels 24 °C
Cover 0 %
Visibility 10 km
3 PM
Sunny
27 °C
11 %
3.1
1.8 kmph / NNE
SunnyFeels 24 °C
Cover 0 %
Visibility 10 km
4 PM
Sunny
27 °C
11 %
1.3
2.9 kmph / NNE
SunnyFeels 24 °C
Cover 0 %
Visibility 10 km
5 PM
Sunny
27 °C
13 %
0.3
5.4 kmph / N
SunnyFeels 23 °C
Cover 0 %
Visibility 10 km
6 PM
Clear
24 °C
15 %
0
10.1 kmph / NNW
ClearFeels 20 °C
Cover 0 %
Visibility 10 km
7 PM
Clear
23 °C
18 %
0
7.9 kmph / NW
ClearFeels 19 °C
Cover 0 %
Visibility 10 km
8 PM
Clear
22 °C
20 %
0
5.8 kmph / WNW
ClearFeels 18 °C
Cover 0 %
Visibility 10 km
9 PM
Clear
21 °C
22 %
0
4.7 kmph / W
ClearFeels 18 °C
Cover 0 %
Visibility 10 km
10 PM
Clear
20 °C
23 %
0
4 kmph / SW
ClearFeels 17 °C
Cover 0 %
Visibility 10 km
11 PM
Clear
19 °C
24 %
0
1.4 kmph / S
ClearFeels 17 °C
Cover 0 %
Visibility 10 km
19°10°20°11°21°11°22°11°22°12°24°12°23°12°22°12°21°11°20°9°10°7°
15°7°17°8°18°9°20°11°21°12°37°26°36°25°37°25°38°25°39°25°38°26°39°26°39°26°26°11°26°12°26°11°26°12°25°11°25°12°25°11°AugustWeather Overview
No. of days:
Sunny
24
Cloudy
1
Rainy
6
Snowy
0
The monthly weather averages in Rosslyn consist of 24 sunny days, 1 cloudy days, 6 rainy days, and 0 snowy days.
South Africa's Hottest Cities - August 2026
1.
Ulundi, Kwazulu Natal
20 °C
Clear
80%
0
31 kmph / NNE
2.
Emuziwezinto, Kwazulu Natal
20 °C
Smoky haze
78%
0
22.7 kmph / NNE
3.
Durban, Kwazulu Natal
20 °C
Haze
75%
0
11.9 kmph / NNE
4.
Phalaborwa, Limpopo
19 °C
Clear
48%
0
3.6 kmph / E
5.
Pietermaritzburg, KwaZulu Natal
19 °C
Clear
55%
0
9.7 kmph / WNW
6.
eManzimtoti, KwaZulu Natal
18 °C
Clear
52%
0
7.9 kmph / WNW
7.
Pretoria, Gauteng
17 °C
Smog
25%
0
5.8 kmph / S
8.
Lebowakgomo, Limpopo
17 °C
Clear
51%
0
4.7 kmph / SE
9.
East London, Eastern Cape
17 °C
Overcast
77%
0
16.9 kmph / WSW
10.
Ubombo, KwaZulu Natal
17 °C
Clear
92%
0
10.1 kmph / N
Last Updated: 17 Aug 2026, 11:01 PM
City Weather RankingsFAQs About Rosslyn Weather Conditions
1. What is the current temperature in Rosslyn today - 18 August 2026?
1. What is the current temperature in Rosslyn today - 18 August 2026?
The current temperature in Rosslyn is 17°C, with a feels-like temperature of 13°C. Today's forecast shows a high of 27°C and a low of 15°C, giving a 12 degree swing through the day as of 12:30 AM 18 August 2026.
2. What are the current weather parameters in Rosslyn today?
2. What are the current weather parameters in Rosslyn today?
Here is a complete overview of Rosslyn's current weather conditions as of 12:30 AM 18 August 2026: Condition : Smog Temperature : 17°C Cool (Feels like 13°C) Humidity : 28% Wind Speed : 5.8 km/h from S (190 degrees), Gust 1.6 m/s UV Index : 0 (Low Air Pressure : 1023 mb Cloud Cover : 0% Visibility : 5.4 km Precipitation : 0 mm (0% chance of rain)
3. What is the 10-day weather forecast for Rosslyn from 12:30 AM 18 August 2026?
3. What is the 10-day weather forecast for Rosslyn from 12:30 AM 18 August 2026?
From 12:30 AM 18 August 2026, Rosslyn's 10-day forecast shows this trend: Today (Aug. 18) : Temp. 21°C, Hum. 22% and Sunny condition. Wednesday (Aug. 19) : Temp. 20°C, Hum. 29% and Sunny condition. Thursday (Aug. 20) : Temp. 22°C, Hum. 26% and Sunny condition. Friday (Aug. 21) : Temp. 21°C, Hum. 37% and Sunny condition. Saturday (Aug. 22) : Temp. 22°C, Hum. 34% and Overcast condition. Sunday (Aug. 23) : Temp. 24°C, Hum. 23% and Overcast condition. Monday (Aug. 24) : Temp. 21°C, Hum. 42% and Sunny condition. Tuesday (Aug. 25) : Temp. 23°C, Hum. 30% and Sunny condition. Wednesday (Aug. 26) : Temp. 19°C, Hum. 31% and Rain Possible condition. Thursday (Aug. 27) : Temp. 18°C, Hum. 34% and Rain Possible condition.
4. Will it rain in Rosslyn today?
4. Will it rain in Rosslyn today?
As of 12:30 AM 18 August 2026, there is a 1% chance of rainfall in Rosslyn later today around 2026-08-18 02:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Rosslyn in August 2026?
5. What is the monthly weather forecast for Rosslyn in August 2026?
August 2026 in Rosslyn is forecast to have 24 sunny days, 6 rainy days, 1 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 7°C to highs of 39°C.
6. How does the weather in Rosslyn affect air quality?
6. How does the weather in Rosslyn affect air quality?
Weather directly impacts air quality in Rosslyn. Calm winds, high humidity, fog, and high pressure trap pollutants near the ground, worsening AQI. Strong winds, rainfall, and low pressure help disperse them. Rising temperatures and UV levels intensify ozone and smog formation, while poor visibility signals elevated particulate matter. Monitoring weather alongside AQI gives the clearest picture of outdoor safety.
