Written by Daniel RobertJune 28, 2018 Can Spectracide Weed Killer Be Sprayed in the Rain? Calm, clear weather is best for herbicide use…. Source: http://homeguides.sfgate.com/can-spectracide-weed-killer-sprayed-rain-93229.html Related Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. This site uses Akismet to reduce spam. Learn how your comment data is processed.