diff --git a/resources/celerity/map.php b/resources/celerity/map.php
--- a/resources/celerity/map.php
+++ b/resources/celerity/map.php
@@ -122,7 +122,7 @@
     'rsrc/css/layout/phabricator-source-code-view.css' => '2ceee894',
     'rsrc/css/phui/calendar/phui-calendar-day.css' => '3b4a65d8',
     'rsrc/css/phui/calendar/phui-calendar-list.css' => '840baa8d',
-    'rsrc/css/phui/calendar/phui-calendar-month.css' => '7819a8b1',
+    'rsrc/css/phui/calendar/phui-calendar-month.css' => '4fba442e',
     'rsrc/css/phui/calendar/phui-calendar.css' => '8345be98',
     'rsrc/css/phui/phui-action-header-view.css' => '89c497e7',
     'rsrc/css/phui/phui-action-list.css' => '4f4d09f2',
@@ -763,7 +763,7 @@
     'phui-calendar-css' => '8345be98',
     'phui-calendar-day-css' => '3b4a65d8',
     'phui-calendar-list-css' => '840baa8d',
-    'phui-calendar-month-css' => '7819a8b1',
+    'phui-calendar-month-css' => '4fba442e',
     'phui-crumbs-view-css' => '594d719e',
     'phui-document-view-css' => '94d5dcd8',
     'phui-feed-story-css' => 'c9f3a0b5',
diff --git a/src/view/phui/calendar/PHUICalendarMonthView.php b/src/view/phui/calendar/PHUICalendarMonthView.php
--- a/src/view/phui/calendar/PHUICalendarMonthView.php
+++ b/src/view/phui/calendar/PHUICalendarMonthView.php
@@ -228,6 +228,15 @@
       $today_class = 'phui-calendar-today-slot';
     }
 
+    if ($this->isDateInCurrentWeek($date)) {
+      $today_class .= ' phui-calendar-this-week';
+    }
+
+    $last_week_day = 6;
+    if ($date->format('w') == $last_week_day) {
+      $today_class .= ' last-weekday';
+    }
+
     $today_slot = phutil_tag (
       'div',
       array(
@@ -254,6 +263,16 @@
       $cell_div);
   }
 
+  private function isDateInCurrentWeek($date) {
+    list($week_start_date, $week_end_date) = $this->getThisWeekRange();
+
+    if ($date->format('U') < $week_end_date->format('U') &&
+      $date->format('U') >= $week_start_date->format('U')) {
+      return true;
+    }
+    return false;
+  }
+
   private function getEventCountBadge($count, $viewer_is_invited) {
     $class = 'phui-calendar-month-count-badge';
 
@@ -484,6 +503,34 @@
     return $days;
   }
 
+  private function getTodayMidnight() {
+    $viewer = $this->getUser();
+    $today = new DateTime('@'.time());
+    $today->setTimeZone($viewer->getTimeZone());
+    $today->setTime(0, 0, 0);
+
+    return $today;
+  }
+
+  private function getThisWeekRange() {
+    $week_start = 0;
+    $week_end = 6;
+
+    $today = $this->getTodayMidnight();
+    $date_weekday = $today->format('w');
+
+    $days_from_week_start = $date_weekday - $week_start;
+    $days_to_week_end = $week_end - $date_weekday + 1;
+
+    $modify = '-'.$days_from_week_start.' days';
+    $week_start_date = id(clone $today)->modify($modify);
+
+    $modify = '+'.$days_to_week_end.' days';
+    $week_end_date = id(clone $today)->modify($modify);
+
+    return array($week_start_date, $week_end_date);
+  }
+
   private function getDateTime() {
     $user = $this->user;
     $timezone = new DateTimeZone($user->getTimezoneIdentifier());
diff --git a/webroot/rsrc/css/phui/calendar/phui-calendar-month.css b/webroot/rsrc/css/phui/calendar/phui-calendar-month.css
--- a/webroot/rsrc/css/phui/calendar/phui-calendar-month.css
+++ b/webroot/rsrc/css/phui/calendar/phui-calendar-month.css
@@ -96,7 +96,7 @@
 
 table.phui-calendar-view a.phui-calendar-date-number {
   color: {$lightgreytext};
-  padding: 0 4px;
+  padding: 4px;
   display: inline-block;
   min-width: 16px;
   text-align: center;
@@ -111,10 +111,19 @@
 
 .phui-calendar-today-slot {
   display: block;
-  width: 100%;
   height: 4px;
-  padding: 0;
-  margin: 0;
+  position: absolute;
+  left: 0;
+  right: -1px;
+  bottom: 0;
+}
+
+.phui-calendar-today-slot.last-weekday {
+  right: 0px;
+}
+
+.phui-calendar-today-slot.phui-calendar-this-week {
+  background-color: {$blueborder};
 }
 
 .phui-calendar-today-slot.phui-calendar-today {