Bug Bite Forecast: California โ Week of June 29, 2026
Week of June 29, 2026 · ๐ด High Bug Risk · Los Angeles: 66.6ยฐF, 75% humidity

Summer outdoor landscape in California โ bug bite and mosquito activity forecast โ Just Bite Me natural bug bite relief · Photo: DreiKubik / Pixabay
Welcome to your California bug bite forecast for the week of June 29, 2026! This week, we’re seeing an overall high risk for bug bites across the Golden State, as the summer heat truly settles in and brings increased insect activity. From coastal breezes to desert heat, prepare for encounters with our buzzing and biting friends.
Up in Northwest California, including the beautiful redwood forests and northern coast, expect generally mild to warm temperatures with some lingering humidity in spots. This creates prime conditions for mosquitoes, especially around any standing water, and ticks remain active in grassy and wooded areas.
Over in Northeast California’s mountain ranges and high deserts, warm, sunny days are the norm, though some higher elevations might still have snowmelt contributing to moist conditions. Mosquitoes are definitely out in force near lakes and streams, and biting flies like horseflies can also be a nuisance.
Moving down to Southwest California, from our bustling cities to the sunny coastlines and inland valleys, expect plenty of sunshine and rising temperatures. Mosquitoes are the primary concern, particularly near irrigated landscapes and urban water features, along with occasional biting gnats.
Finally, in the very hot and dry expanses of Southeast California’s deserts, temperatures will be soaring, but don’t let that fool you into thinking bugs aren’t present. Mosquitoes can still thrive around oases and any irrigated spots, so be mindful wherever water is found. Remember, for those inevitable bites, Just Bite Me natural bug bite relief is available at retailers across California.
๐บ๏ธ California Bug Forecast by Region
Expand your region below, then open any city or town for its local forecast.
โถNorthwest NW 8 communities
Northwest California is currently around 63.7ยฐF with 69% humidity and clear sky. Bug activity near shaded yards, trails, and water tends to peak around dawn and dusk under these conditions.
๐ก ModerateSan Jose
Mosquitoes will be active around garden areas and local parks, particularly during evening hours. Enjoy outdoor dining, but consider repellent
๐ข LowSan Francisco
Breezy conditions near the bay and cooler microclimates keep most biting insects at bay, though tiny midges might be present in sheltered gardens
๐ด HighFresno
With warm conditions and nearby agricultural irrigation, expect a high presence of mosquitoes, especially near canals and during twilight outdoor activities
๐ด HighSacramento
Mosquito activity will be significant near the American and Sacramento
๐ก ModerateSouth San Francisco
Mosquitoes will be active near the baylands and any standing water in parks. Enjoy evening strolls but consider repellent
๐ด HighYuba City
Expect significant mosquito activity tonight, particularly near the Feather River and irrigated fields. Protect yourself if spending time outdoors
๐ก ModeratePalo Alto
Mosquitoes will be present near the Baylands, while hikers in the foothills should be mindful of tick exposure. A pleasant evening for most, but take precautions
๐ด HighLodi
Mosquitoes will be particularly
โถNortheast NE 3 communities
Northeast California is currently around 78.2ยฐF with 35% humidity and clear sky. Bug activity near shaded yards, trails, and water tends to peak around dawn and dusk under these conditions.
๐ก ModerateBakersfield
The clear, warm evening is ideal for outdoor activities, but a moderate risk of mosquito and gnat bites exists, particularly near the Kern River or irrigated landscapes at dusk
๐ก ModeratePorterville
Enjoying the pleasant 78.2ยฐF and clear skies near the Tule River or adjacent agricultural fields may lead to moderate mosquito activity, especially as evening progresses
๐ก ModerateDelano
With comfortable temperatures and clear skies, residents should anticipate a moderate risk of mosquito bites, particularly around irrigated vineyards and orchards during evening hours
โถSouthwest SW 3 communities
Southwest California is currently around 67.9ยฐF with 88% humidity and scattered clouds. Bug activity near shaded yards, trails, and water tends to peak around dawn and dusk under these conditions.
๐ด HighSanta Maria
The high humidity and comfortable temperatures will create ideal conditions for mosquito activity, particularly near agricultural fields and the Santa Maria River. Expect increased bites during dawn and dusk outdoor activities
๐ด HighVentura
Elevated humidity combined with mild temperatures will lead to a surge in mosquito and biting midge populations, especially around the Ventura River estuary and coastal wetlands. Prepare for active insects during evening walks along the shore or in parks
๐ด HighSanta Barbara
With 88% humidity and gentle warmth, mosquitoes will be very active near the city’s numerous creeks and lush, irrigated gardens. Those enjoying outdoor patios or foothill trails should take precautions against bites
โถSoutheast SE 18 communities
Southeast California is currently around 66.6ยฐF with 75% humidity and few clouds. Bug activity near shaded yards, trails, and water tends to peak around dawn and dusk under these conditions.
๐ก ModerateLos Angeles
Mosquitoes will be active, especially near standing water in urban parks and residential areas. Consider repellent for evening outdoor activities
๐ด HighSan Diego
Biting midges and mosquitoes are expected to be very active near the bay and coastal canyons due to high humidity. Waterfront activities will be particularly prone to bites
๐ก ModerateLong Beach
Expect increased mosquito activity around the harbor and local parks. Outdoor dining and evening strolls may encounter more gnats
๐ก ModerateAnaheim
Mosquitoes and gnats will be prevalent, particularly near the Santa Ana River and residential green spaces. Take precautions if spending time outdoors after dusk
๐ด HighRiverside
The humid conditions create an ideal environment for mosquitoes and biting flies near the Santa Ana River and foothill areas. Outdoor enthusiasts should use repellent
๐ก ModerateSanta Ana
Mosquitoes and gnats are expected to be active, especially around urban parks and the Santa Ana River corridor. Evening outdoor plans may be affected
๐ด HighChula Vista
High humidity will lead to a surge in mosquito and no-see-um activity near the bay and estuaries. Prepare for bites during any outdoor exposure
๐ก ModerateIrvine
Expect elevated mosquito and gnat activity in the city’s numerous parks and greenbelts. Those gardening or exercising outdoors should be mindful
๐ก ModerateSan Bernardino
Mosquitoes and biting flies will be active near natural areas and parks, especially with the high humidity. Use repellent for outdoor leisure
๐ก ModerateFontana
Mosquitoes and gnats are expected to be active in residential areas and local parks. Evening backyard activities may see increased insect presence
๐ก ModerateOxnard
Biting midges and mosquitoes may be noticeable near the harbor and agricultural areas. Coastal breezes might offer some relief, but high humidity will fuel activity
๐ด HighMoreno Valley
The damp conditions are highly favorable for mosquitoes and biting flies, especially near Lake Perris and surrounding open spaces. Outdoor plans require repellent
๐ก ModerateCompton
Mosquitoes will be active this evening, particularly near park areas and any standing water from recent irrigation. Residents should be mindful during outdoor activities
๐ด HighMission Viejo
Expect significant mosquito activity, especially near the numerous greenbelts, golf courses, and residential water features. Dusk and dawn will see the highest numbers of biters
๐ก ModerateSouth Gate
Urban mosquitoes will be out and about, especially after sunset. Take precautions if spending time in gardens or local parks due to the comfortable, humid conditions
๐ก ModerateCanoga Park
With 75% humidity, mosquitoes will be active near residential green spaces and the Los Angeles River. Consider repellent if planning outdoor evening activities like patio dining or walks
๐ก ModerateGardena
Expect moderate activity from mosquitoes and midges, particularly around any standing water or shaded urban green spaces due to the high humidity. Protect yourself during twilight hours
๐ก ModerateLa Mesa
The elevated humidity levels will encourage mosquitoes and gnats to be active in canyon areas and residential gardens. Be cautious during outdoor gatherings, especially after
๐ Where to Buy Just Bite Me Bug Bite Relief in California
๐ Also see: Oregon Bug Forecast | Nevada Bug Forecast | Arizona Bug Forecast
Just Bite Me is available at 74 locations across California. Use the map below to find the nearest retailer.
๐ 74 Just Bite Me locations in California ยท View full retailer list
About This Forecast
This weekly bug bite forecast for California is generated using current weather data from OpenWeather, geographic city data from GeoNames, and AI-written forecasts from Google Gemini. Store locations are sourced from Just Bite Me’s retailer database. Forecasts are refreshed weekly. For urgent outdoor health concerns, consult local public health resources.