66.1 °F Now

Feels Like 64.5 °F

Relative Humidity
68%Napa, Napa County Airport (8.8 miles)
Rain Today
0in (0in Last Hour)Napa, Napa County Airport (8.8 miles)
Wind S
5.8mph Napa, Napa County Airport (8.8 miles)
Dew Point
55.3 °F Napa, Napa County Airport (8.8 miles)
Pressure
1010.8 hPa Napa, Napa County Airport (8.8 miles)

Updated 51 mins ago (8.8 miles away)

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Real-Time Extremes

Hottest 89.5 °F
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Coldest 22.9 °F
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Windiest 64.4mph
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Wettest (Last Hour) 0.2in
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Most Humid 100%
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Least Humid 4%
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Highest Pressure 1029.5 hPa
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Lowest Pressure 986.5 hPa
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Trending Locations

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Rockville Weather Forecast

Today 20 May
- 54
- 86
Becoming Sunny
Thu 21 May
- 54
- 87
Mostly Sunny
Fri 22 May
- 53
- 80
Mostly Sunny
Sat 23 May
- 52
- 73
Mostly Sunny
Sun 24 May
- 52
- 75
Mostly Sunny
Mon 25 May
- 52
- 74
Mostly Sunny
Tue 26 May
- 54
- 73
Mostly Sunny

Today 20 May
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Thu 21 May
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 6 am
8. 7 am
9. 8 am
10. 9 am
11. 10 am
12. 11 am
13. 12 pm
14. 1 pm
15. 2 pm
16. 3 pm
17. 4 pm
18. 5 pm
19. 6 pm
20. 7 pm
21. 8 pm
22. 9 pm
23. 10 pm
24. 11 pm
Fri 22 May
1. 12 am
2. 1 am
3. 2 am
4. 3 am
5. 4 am
6. 5 am
7. 8 am
8. 11 am
9. 2 pm
10. 5 pm
11. 8 pm
12. 11 pm
Sat 23 May
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 11 pm
Sun 24 May
1. 5 am
2. 11 am
3. 5 pm
4. 11 pm
Mon 25 May
1. 5 am
2. 11 am
3. 5 pm
4. 11 pm
Tue 26 May
1. 5 am
2. 11 am
3. 5 pm
4. 11 pm

Rockville Temperature Statistics

May Temperature

Napa, Napa County Airport (8.7 miles)

Lowest 20 February, 2026
30.7 °F
Average 2026
56.1 °F
Highest 20 March, 2026
87.7 °F
Lowest 3 April, 2026
38.6 °F
Average April
57.1 °F
Highest 5 April, 2026
83.6 °F
Lowest 14 May, 2026
45.6 °F
Average May
61.9 °F
Highest 18 May, 2026
84 °F

Climate (2021–Present)

Napa, Napa County Airport (8.7 miles)

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Average Low 2021–2026
47.3 °F
Average 2021–2026
58.3 °F
Average High 2021–2026
70.2 °F

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