Grass Valley Weather Conditions
Current Temperature Level
Grass Valley Weather Conditions
Current Temperature Level
Feels Like 24°C
Chances of Rain9%
26°9%10 AM28°9%11 AM29°9%12 PM28°9%1 PM29°9%2 PM30°9%3 PM
30°7%4 PM31°9%5 PM30°9%6 PM
30°0%7 PM29°1%8 PM25°9%9 PM23°7%10 PM
22°4%11 PM21°4%12 AM19°10%1 AM19°10%2 AM19°9%3 AM19°10%4 AM19°10%5 AM19°10%6 AM19°4%7 AM19°1%8 AM24°6%Skies may remain grey and overcast.
Last Updated: 2026-08-17 09:30 (Local Time)
204°SSW
Direction
3.6km/h
Wind Speed
Gust Speed
3m/s
Precipitation
Precipitation
0mm
Pressure
1017mb
UV Index
1.3Low
Today
25
°C
28%Tuesday
26
°C24%Wednesday
27
°C17%Thursday
28
°C16%Friday
27
°C20%Saturday
26
°C25%Sunday
27
°C25%Monday
27
°C26%Tuesday
23
°C36%Wednesday
23
°C36%Overcast
Fully overcast skies with a high of 25 °C. Humidity will be 28%, and winds at 19.8 km/h.31°C / 19°C
Humi.28 %
Prec.0 mm
Sunrise
06:19 AM13hrs 38min
Sunset
07:57 PMTime
Condition
Temp
Humidity
UV
Wind Speed & Dir.
12 AM
Overcast
21 °C
31 %
0
17.3 kmph / SW
Overcast
Feels 16 °C
Cover 100 %
Visibility 10 km
1 AM
Overcast
20 °C
33 %
0
19.8 kmph / SW
OvercastFeels 15 °C
Cover 100 %
Visibility 10 km
2 AM
Overcast
20 °C
35 %
0
8.3 kmph / ENE
OvercastFeels 17 °C
Cover 100 %
Visibility 10 km
3 AM
Overcast
19 °C
34 %
0
7.6 kmph / ENE
OvercastFeels 16 °C
Cover 100 %
Visibility 10 km
4 AM
Overcast
19 °C
33 %
0
8.6 kmph / ENE
OvercastFeels 16 °C
Cover 100 %
Visibility 10 km
5 AM
Overcast
19 °C
31 %
0
8.6 kmph / ENE
OvercastFeels 16 °C
Cover 100 %
Visibility 10 km
6 AM
Overcast
20 °C
29 %
0
7.9 kmph / ENE
OvercastFeels 16 °C
Cover 100 %
Visibility 10 km
7 AM
Overcast
20 °C
27 %
0.1
7.9 kmph / ENE
OvercastFeels 17 °C
Cover 100 %
Visibility 10 km
8 AM
Overcast
23 °C
25 %
0.4
4.7 kmph / ENE
OvercastFeels 20 °C
Cover 100 %
Visibility 10 km
9 AM
Overcast
26 °C
23 %
1.3
3.6 kmph / SSW
OvercastFeels 24 °C
Cover 100 %
Visibility 10 km
10 AM
Overcast
28 °C
22 %
3.3
5 kmph / SW
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
11 AM
Overcast
29 °C
21 %
5.7
9 kmph / WSW
OvercastFeels 27 °C
Cover 100 %
Visibility 10 km
12 PM
Overcast
28 °C
27 %
7.7
16.9 kmph / WSW
OvercastFeels 24 °C
Cover 100 %
Visibility 10 km
1 PM
Overcast
29 °C
28 %
8.6
14.4 kmph / WSW
OvercastFeels 26 °C
Cover 100 %
Visibility 10 km
2 PM
Overcast
30 °C
25 %
8
12.2 kmph / WSW
OvercastFeels 27 °C
Cover 100 %
Visibility 10 km
3 PM
Cloudy
30 °C
23 %
7.1
10.4 kmph / WSW
CloudyFeels 28 °C
Cover 81 %
Visibility 10 km
4 PM
Overcast
31 °C
21 %
4.8
9.4 kmph / SW
OvercastFeels 28 °C
Cover 100 %
Visibility 10 km
5 PM
Overcast
30 °C
21 %
2.5
10.1 kmph / SW
OvercastFeels 27 °C
Cover 97 %
Visibility 10 km
6 PM
Sunny
30 °C
22 %
1
10.4 kmph / SW
SunnyFeels 27 °C
Cover 0 %
Visibility 10 km
7 PM
Sunny
29 °C
24 %
0.2
9 kmph / SW
SunnyFeels 26 °C
Cover 4 %
Visibility 10 km
8 PM
Overcast
25 °C
28 %
0
2.5 kmph / SSE
OvercastFeels 24 °C
Cover 100 %
Visibility 10 km
9 PM
Cloudy
23 °C
31 %
0
8.6 kmph / E
CloudyFeels 21 °C
Cover 79 %
Visibility 10 km
10 PM
Partly Cloudy
22 °C
38 %
0
9.7 kmph / ENE
Partly CloudyFeels 19 °C
Cover 48 %
Visibility 10 km
11 PM
Partly Cloudy
21 °C
38 %
0
10.1 kmph / ENE
Partly CloudyFeels 18 °C
Cover 54 %
Visibility 10 km
35°22°35°22°36°22°36°23°35°22°37°23°38°25°36°25°37°24°35°24°34°21°32°19°28°17°27°14°29°15°31°17°30°10°10°10°11°10°13°11°13°12°12°10°11°10°11°11°30°16°31°16°31°16°31°16°30°16°30°16°30°15°AugustWeather Overview
No. of days:
Sunny
19
Cloudy
0
Rainy
10
Snowy
0
The monthly weather averages in Grass Valley consist of 19 sunny days, 0 cloudy days, 10 rainy days, and 0 snowy days.
Grass Valley's Locations Weather Conditions
United States's Hottest Cities - August 2026
1.
Little Rock, Arkansas
40 °C
Sunny
42%
6.5
10.8 kmph / NNW
2.
Mecca, California
39 °C
Sunny
16%
3.2
12.6 kmph / NW
3.
North Shore, California
39 °C
Sunny
16%
3.2
12.6 kmph / NW
4.
Arkadelphia, Arkansas
39 °C
Sunny
33%
6.5
9.4 kmph / W
5.
El Centro, California
39 °C
Sunny
18%
3.2
6.8 kmph / NW
6.
Indio, California
39 °C
Sunny
17%
3.2
12.6 kmph / NW
7.
Royal Palm Beach, Florida
39 °C
Sunny
44%
9.3
11.9 kmph / W
8.
Gatewood, Mississippi
39 °C
Sunny
42%
6.9
14.8 kmph / W
9.
Highland Park, Texas
39 °C
Sunny
32%
5.5
6.8 kmph / WSW
10.
Chattanooga, Tennessee
39 °C
Sunny
47%
7.6
10.1 kmph / W
Last Updated: 17 Aug 2026, 05:02 PM
City Weather RankingsFAQs About Grass Valley Weather Conditions
1. What is the current temperature in Grass Valley today - 17 August 2026?
1. What is the current temperature in Grass Valley today - 17 August 2026?
The current temperature in Grass Valley is 26°C, with a feels-like temperature of 24°C. Today's forecast shows a high of 31°C and a low of 19°C, giving a 12 degree swing through the day as of 09:30 AM 17 August 2026.
2. What are the current weather parameters in Grass Valley today?
2. What are the current weather parameters in Grass Valley today?
Here is a complete overview of Grass Valley's current weather conditions as of 09:30 AM 17 August 2026: Condition : Overcast Temperature : 26°C Pleasant (Feels like 24°C) Humidity : 23% Wind Speed : 3.6 km/h from SSW (204 degrees), Gust 3 m/s UV Index : 1.3 (Low Air Pressure : 1017 mb Cloud Cover : 100% Visibility : 10 km Precipitation : 0 mm (7% chance of rain)
3. What is the 10-day weather forecast for Grass Valley from 09:30 AM 17 August 2026?
3. What is the 10-day weather forecast for Grass Valley from 09:30 AM 17 August 2026?
From 09:30 AM 17 August 2026, Grass Valley's 10-day forecast shows this trend: Today (Aug. 17) : Temp. 25°C, Hum. 28% and Overcast condition. Tuesday (Aug. 18) : Temp. 26°C, Hum. 24% and Overcast condition. Wednesday (Aug. 19) : Temp. 27°C, Hum. 17% and Overcast condition. Thursday (Aug. 20) : Temp. 28°C, Hum. 16% and Overcast condition. Friday (Aug. 21) : Temp. 27°C, Hum. 20% and Sunny condition. Saturday (Aug. 22) : Temp. 26°C, Hum. 25% and Sunny condition. Sunday (Aug. 23) : Temp. 27°C, Hum. 25% and Sunny condition. Monday (Aug. 24) : Temp. 27°C, Hum. 26% and Sunny condition. Tuesday (Aug. 25) : Temp. 23°C, Hum. 36% and Rain Possible condition. Wednesday (Aug. 26) : Temp. 23°C, Hum. 36% and Sunny condition.
4. Will it rain in Grass Valley today?
4. Will it rain in Grass Valley today?
As of 09:30 AM 17 August 2026, there is a 9% chance of rainfall in Grass Valley later today around 2026-08-17 10:00. Current precipitation is 0 mm. Residents are advised to carry an umbrella before heading out.
5. What is the monthly weather forecast for Grass Valley in August 2026?
5. What is the monthly weather forecast for Grass Valley in August 2026?
August 2026 in Grass Valley is forecast to have 19 sunny days, 10 rainy days, 0 cloudy days, and 0 snowy days. Temperatures for the month range from lows around 10°C to highs of 38°C.
6. How does the weather in Grass Valley affect air quality?
6. How does the weather in Grass Valley affect air quality?
Weather directly impacts air quality in Grass Valley. 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.
