Weather on April 9
Sunnyvale, CA
55 Years of Data
Avg High
68°F
Avg Low
48°F
Warmest
1989
78°F avg
Coldest
1999
47°F avg
About This Date
April 9th in Sunnyvale, CA typically brings mild spring weather, with average highs around 68°F and lows near 48°F. Over 56 years of records, the warmest April 9th was in 1989 (78°F average), while the coldest was 1999 (47°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 14% of April 9th dates historically, with the wettest April 9th recording 0.79" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for April 9th in Sunnyvale, CA? Great weather for outdoor activities.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 74° | 56° | 65° | — | — |
| 2025 | 73° | 48° | 61° | — | — |
| 2024 | 78° | 47° | 62° | — | — |
| 2023 | 74° | 48° | 61° | — | — |
| 2022 | 74° | 49° | 61° | — | — |
| 2021 | 63° | 46° | 54° | — | — |
| 2020 | 65° | 53° | 59° | — | — |
| 2019 | 66° | 53° | 60° | — | — |
| 2018 | 79° | 47° | 63° | — | — |
| 2017 | 61° | 39° | 50° | — | — |
| 2016 | 64° | 58° | 61° | 0.79" | — |
| 2015 | 69° | 45° | 57° | — | — |
| 2014 | 70° | 55° | 62° | — | — |
| 2013 | 74° | 51° | 62° | — | — |
| 2012 | 73° | 45° | 59° | — | — |
| 2011 | 64° | 40° | 52° | — | — |
| 2010 | 70° | 44° | 57° | — | — |
| 2009 | 57° | 50° | 54° | 0.2" | — |
| 2008 | 63° | 48° | 55° | — | — |
| 2007 | 67° | 50° | 58° | — | — |
| 2006 | 61° | 48° | 54° | 0.2" | — |
| 2005 | 65° | 50° | 57° | 0.05" | — |
| 2004 | 74° | 52° | 63° | — | — |
| 2003 | 70° | 47° | 58° | — | — |
| 2002 | 67° | 53° | 60° | — | — |
| 2001 | 61° | 43° | 52° | 0.43" | — |
| 2000 | 63° | 51° | 57° | — | — |
| 1999coldest | 56° | 38° | 47° | — | — |
| 1998 | 69° | 49° | 59° | — | — |
| 1997 | 67° | 45° | 56° | — | — |
| 1996 | 68° | 54° | 61° | — | — |
| 1995 | 65° | 44° | 54° | — | — |
| 1994 | 64° | 48° | 56° | 0.1" | — |
| 1993 | 66° | 52° | 59° | — | — |
| 1992 | 68° | 49° | 58° | — | — |
| 1991 | 69° | 49° | 59° | — | — |
| 1990 | 75° | 47° | 61° | — | — |
| 1989warmest | 95° | 61° | 78° | — | — |
| 1988 | 87° | 51° | 69° | — | — |
| 1987 | 81° | 52° | 66° | — | — |
| 1986 | 72° | 50° | 61° | — | — |
| 1985 | 64° | 52° | 58° | — | — |
| 1984 | 62° | 43° | 52° | — | — |
| 1983 | 60° | 51° | 56° | — | — |
| 1982 | 70° | 46° | 58° | — | — |
| 1981 | 65° | 45° | 55° | — | — |
| 1980 | 69° | 50° | 60° | — | — |
| 1979 | 63° | 50° | 56° | 0.05" | — |
| 1978 | 81° | 49° | 65° | — | — |
| 1977 | 63° | 45° | 54° | — | — |
| 1976 | 70° | 40° | 55° | — | — |
| 1975 | 63° | 40° | 51° | — | — |
| 1974 | 57° | 45° | 51° | 0.61" | — |
| 1973 | 69° | 53° | 61° | — | — |
| 1972 | 59° | 47° | 53° | — | — |
| 1971 | 67° | 44° | 55° | — | — |
56 years of data from MOFFETT FED AIRFIELD