Valhalla, New York Weather
Solstice approaches — longest light. Day 88 of spring. Read this microseason across nine climate regions →
Valhalla weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 15Rain91%0.15″76°63°—
- TuesdayJun 16Overcast——79°54°+3°
- WednesdayJun 17Heavy Drizzle25%—80°58°+1°
- ThursdayJun 18Light Drizzle53%0.03″94°66°+14°
- FridayJun 19Overcast24%—83°70°-11°
- SaturdayJun 20Mostly Clear14%—78°60°-5°
- SundayJun 21Overcast——79°59°+1°
AQI 36 (Good), driven by Ozone. AQI down 9 over the last 6 hours (gradual decline). Ozone at AQI 32 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 32 now. With UV 8.1 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 34 around 1 PM.
- Present
- AQI 32
- UV peak
- 8.1 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 34
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































A summer fog for fair, a winter fog for rain.
- Moonrise
- 5:20 AM
- Moonset
- 8:44 PM
- In sign
- ♋︎ Cancer
Solstice approaches — longest light
Valhalla at a glance
- Today vs. normal: 73°F — typical for the season
- Last frost: April 22 (climatological average for this latitude)
- Microseason: Jun 11–15
- Planting window: Stake and prune tomato suckers. Watch for squash vine borers.
16-Day Forecast — Valhalla
- Mon76°63°91%
- Tue79°54°0%
- Wed80°58°25%
- Thu94°66°53%
- Fri83°70°24%
- Sat78°60°14%
- Sun79°59°7%
- Mon68°57°27%
- Tue80°55°26%
- Wed83°57°17%
- Thu84°63°12%
- Fri83°62°28%
- Sat92°62°29%
- Sun89°70°20%
- Mon98°71°23%
- Tue92°73°29%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of June 15, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Microseason · June 11–15
Solstice approaches — longest light
Sunrise before 5:30 AM; sunset nearly 8:30 PM.
Day 166 of 365 · Wedge 33 of 72
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Valhalla's warmest month is July (~76°F mean) and its coldest is January (~29°F). Rainfall peaks in December (4.2 inches) and bottoms out in February (2.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 29° | 3.5″ | 14 |
| February | 31° | 2.9″ | 13 |
| March | 39° | 3.6″ | 16 |
| April | 51° | 4.0″ | 17 |
| May | 60° | 3.9″ | 18 |
| June | 69° | 3.8″ | 17 |
| July | 76° | 3.6″ | 17 |
| August | 75° | 3.9″ | 17 |
| September | 68° | 3.4″ | 13 |
| October | 57° | 3.3″ | 12 |
| November | 44° | 3.9″ | 13 |
| December | 34° | 4.2″ | 13 |
Regional context
Valhalla's climate, from NOAA NCEI 1991-2020 station normals, pairs 29°F Januarys with 76°F Julys — a 46°F swing. About 43.9 inches of precipitation falls over roughly 180 days a year.
Rainfall in Valhalla stays even across the calendar: December tops out at 4.2 inches over 13.2 rainy days, and February still logs 2.9 inches across 13.1 — a narrow range for Valhalla. It is a balanced pattern Valhalla shares with places like Hawthorne, NY, Elmsford, NY and Thornwood, NY.
The cool-season window in Valhalla starts at mid-April, when nights stop freezing — think kale, peas, spinach, and parsnips. In Valhalla, warm-season transplants — tomatoes, peppers, basil — wait two weeks past Valhalla's frost date. Around mid-November, freezing nights resume in Valhalla and tender crops must come in. In Valhalla, low spots run 4-7°F colder than nearby slopes, nudging Valhalla's frost dates a week.
Similar climates: Hawthorne, NY, Elmsford, NY, Thornwood, NY, White Plains, NY, Pleasantville, NY.
Frequently asked
- When does it freeze in Valhalla?
- Frost typically leaves Valhalla by mid-April and returns to Valhalla near mid-November.
- What is the rainy season in Valhalla?
- December is the wettest month in Valhalla, about 4.2 inches on average; the year totals roughly 44 inches.
- What is the warmest month in Valhalla?
- July is Valhalla's warmest month, averaging about 76°F.
- What is the coldest month in Valhalla?
- Valhalla bottoms out in January, with a mean near 29°F.
- When can I start a vegetable garden in Valhalla?
- Valhalla's last frost (mid-April) cues hardy greens; in Valhalla, hold heat-lovers two weeks past.
- How many rainy days does Valhalla get?
- Valhalla records around 180 days of measurable precipitation annually.
- What hardiness zone is Valhalla?
- Valhalla sits in the USDA zone set by January lows near 29°F; the USDA ZIP tool gives the band.
- What is the 10-day forecast for Valhalla?
- Valhalla's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Valhalla?
- See this week's day-by-day rain chances for Valhalla in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Valhalla?
- Current conditions for Valhalla and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Valhalla forecast updated?
- The Valhalla forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Valhalla?
- Day length in Valhalla peaks around the June solstice — earliest sunrise and latest sunset — and is shortest near the December solstice.
- How accurate is the weather forecast for Valhalla?
- The next few days in Valhalla's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Valhalla, New York has a warm-summer humid continental climate: January averages roughly 29°F, July about 76°F, 47°F between them.
Rain and snow bring Valhalla roughly 44 inches a year across approximately 180 measurable-precipitation days.
Latitude 41.1°N gives Valhalla its 47°F swing, and with it the rhythm of Valhalla's growing season.
ZIP codes in Valhalla
- 10595