Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 1

Waning Gibbous 87%

21:50

09:00

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:03, Set: 20:18, Transit: 13:10. Moon - Rise: 21:50, Set: 09:00. Civil Dark: 20:48 - 05:34. Nautical Dark: 21:25 - 04:57. Astro Dark: 22:06 - 04:16

Total Clouds (% Sky Obscured)

57
67
74
80
100
100
100
100
100
84
91
100
100
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
37
16
20
6
17
17
0
0
0
0
9
2
13
18
55
69
67
39

Medium Clouds (% Sky Obscured)

0
0
14
10
18
86
100
88
81
67
86
88
65
39
19
58
98
100
76
93
95
91
74
93

High Clouds (% Sky Obscured)

57
67
74
80
100
100
100
100
100
74
76
100
100
100
100
99
100
95
100
100
100
100
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
20
26
29
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
2
2
4
6
6
8
9
9
9
8
8
6
5
5
5
6
7
7
6
6
6
5

Chance of Frost

Temperature (°C)

18
19
20
22
25
26
27
27
28
29
30
29
29
28
26
25
24
23
23
23
23
23
22
22

Feels Like (°C)

19
21
22
24
26
27
28
28
28
29
30
30
29
29
27
25
24
23
23
23
23
24
23
23

Dew Point (°C)

16
17
17
18
19
20
19
19
19
21
21
21
22
23
22
20
20
20
20
20
20
21
22
22

Relative Humidity (%)

88
86
81
76
72
67
62
58
56
62
59
63
67
75
78
77
78
79
81
84
87
92
95
96

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

306
306
307
306
304
304
303
302
302
303
303
303
301
300
299
300
300
299
297
297
296
296
296
297

Sunday 2

Waning Gibbous 78%

22:12

10:05

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:04, Set: 20:17, Transit: 13:10. Moon - Rise: 22:12, Set: 10:05. Civil Dark: 20:47 - 05:35. Nautical Dark: 21:24 - 04:58. Astro Dark: 22:05 - 04:18

Total Clouds (% Sky Obscured)

99
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
51
46
53
42
32
38
40
30
37
56
71
65
71
70
65
34
37
92
84
85
89
92
96

Medium Clouds (% Sky Obscured)

96
88
93
75
100
78
100
100
100
100
100
100
100
97
98
97
98
93
97
95
85
81
86
83

High Clouds (% Sky Obscured)

94
71
77
100
95
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
2
3
4
5
2
9
9
9
2
6
3
1
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
54
54
13
2

Precipitation Type

None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

12
2
3
17
36
30
31
66
80
95
95
95
95
95
53
32
41
76
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
1
1.5
3.2
1.8
0.6
0
0
0
0.2
0.9
0.4
0.7
1.5
1.3
1.1

Wind Speed/Direction (mph)

5
5
6
8
10
9
10
10
7
8
6
4
3
3
5
4
5
4
3
2
3
2
3
2

Chance of Frost

Temperature (°C)

22
22
23
23
24
24
24
25
24
24
24
23
23
23
23
23
22
22
22
22
22
22
22
21

Feels Like (°C)

24
24
25
24
25
25
24
25
25
24
25
26
25
25
25
25
24
25
25
25
24
24
24
24

Dew Point (°C)

22
22
22
21
20
20
17
18
18
16
22
22
22
22
22
22
22
22
22
22
22
22
21
21

Relative Humidity (%)

96
95
95
89
80
75
64
64
66
60
91
94
95
97
97
98
96
96
96
98
98
98
98
98

Pressure (mb)

1013
1013
1013
1014
1013
1014
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1010

Ozone (du)

298
299
299
298
298
297
297
297
297
296
296
298
299
301
301
303
304
303
301
300
299
299
299
300

Monday 3

Waning Gibbous 69%

22:35

11:11

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:05, Set: 20:16, Transit: 13:10. Moon - Rise: 22:35, Set: 11:11. Civil Dark: 20:46 - 05:36. Nautical Dark: 21:23 - 04:59. Astro Dark: 22:03 - 04:19

Total Clouds (% Sky Obscured)

100
98
96
100
99
96
97
99
99
100
100
100
100
96
100
99
92
93
99
98
92
87
81
83

Low Clouds (% Sky Obscured)

91
75
68
83
77
45
51
50
51
50
46
43
52
50
56
41
36
52
60
63
57
54
53
51

Medium Clouds (% Sky Obscured)

70
68
47
50
70
70
62
60
55
77
85
77
61
40
5
3
2
1
1
0
0
0
0
2

High Clouds (% Sky Obscured)

100
89
87
98
70
87
92
96
99
99
93
100
100
93
100
99
87
88
98
96
89
82
75
72

ISS Passover

Visibility (miles)

1
6
4
7
9
9
9
9
2
4
4
9
2
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

6
20
8
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

73
58
55
39
20
15
15
23
32
42
49
52
45
24
28
28
37
11
7
5
6
6
3
5

Precipitation Amount (mm)

0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
3
4
4
5
6
5
5
5
4
3
1
1
1
2
2
2
3
3
4
4

Chance of Frost

Temperature (°C)

22
22
23
23
25
25
27
28
29
29
30
29
28
28
26
25
25
24
23
23
23
23
23
22

Feels Like (°C)

25
24
25
27
28
28
29
30
31
32
32
32
32
31
30
29
28
27
26
26
26
25
25
24

Dew Point (°C)

22
21
22
23
24
24
25
26
25
25
25
25
26
25
24
23
23
22
22
22
22
22
22
22

Relative Humidity (%)

100
98
98
98
97
91
91
87
79
77
77
79
85
87
87
88
88
91
91
92
92
94
95
95

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

300
299
299
298
299
301
301
302
303
302
302
301
301
301
303
303
302
303
303
303
303
304
304
305

Tuesday 4

Waning Gibbous 66%

23:01

12:20

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:06, Set: 20:15, Transit: 13:10. Moon - Rise: 23:01, Set: 12:20. Civil Dark: 20:44 - 05:37. Nautical Dark: 21:21 - 05:00. Astro Dark: 22:01 - 04:20

Total Clouds (% Sky Obscured)

87
90
92
95
98
94
91
88
93
97
100
100
100
100
100
100
100
100
100
100
99
98
98
96

Low Clouds (% Sky Obscured)

50
48
61
74
87
80
73
66
60
55
46
47
49
53
60
68
79
79
76
81
74
73
73
76

Medium Clouds (% Sky Obscured)

0
0
10
17
22
29
73
77
76
72
73
79
86
91
90
89
88
89
88
89
88
87
86
82

High Clouds (% Sky Obscured)

75
82
81
82
84
66
57
44
69
86
100
100
100
100
100
100
100
100
100
100
83
63
57
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
6
4
4
9
5
9
9
9
9
9
9
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
0
2
6
9
23
19
11
37
60
76
95
91
84
70
59
50
43
38
39
37
36
41
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.5
0.4
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
6
6
6
6
5
6
6
6
6
5
4
4
5
4
2
3
3
2
3
3
3

Chance of Frost

Temperature (°C)

23
23
23
24
25
26
27
28
28
28
28
28
27
25
25
24
24
23
23
23
23
23
23
23

Feels Like (°C)

25
25
25
26
27
29
30
30
31
31
31
30
29
28
28
27
26
27
26
26
26
26
25
26

Dew Point (°C)

22
22
22
22
22
23
23
23
23
22
23
25
25
24
24
24
23
23
23
23
23
22
23
22

Relative Humidity (%)

97
95
92
87
84
81
77
76
73
71
74
83
92
94
97
97
97
98
95
97
97
95
98
97

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

304
304
304
304
304
303
303
303
301
300
299
298
299
299
300
300
301
301
300
299
299
297
296
297

Wednesday 5

Third Quarter 58%

23:32

13:32

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:07, Set: 20:13, Transit: 13:10. Moon - Rise: 23:32, Set: 13:32. Civil Dark: 20:43 - 05:38. Nautical Dark: 21:20 - 05:02. Astro Dark: 22:00 - 04:22

Total Clouds (% Sky Obscured)

95
94
93
92
92
93
96
99
99
97
93
72
43
37
53
69
80
91
95
99
100
100
100
99

Low Clouds (% Sky Obscured)

81
84
83
83
81
85
89
90
85
76
69
57
42
30
41
46
49
30
26
18
17
24
33
52

Medium Clouds (% Sky Obscured)

56
48
48
28
21
23
48
71
34
20
5
4
3
2
12
23
33
41
51
57
58
57
48
41

High Clouds (% Sky Obscured)

36
25
27
26
24
43
61
86
87
87
80
51
29
12
36
62
80
91
95
98
95
93
92
89

ISS Passover

Visibility (miles)

1
0
1
9
7
4
3
9
9
9
9
9
3
3
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Ice pellet
Ice pellet
Ice pellet
Light Rain
Light Rain

Precipitation Probability (%)

59
59
62
71
82
82
77
63
75
89
95
95
95
89
95
95
82
95
95
95
95
90
73
71

Precipitation Amount (mm)

0.3
0.3
0.2
0.3
0.5
0.5
0.4
0.2
0.4
0.7
1.1
1
1
0.7
1.2
0.8
0.4
0.8
1.2
1.5
1
0.7
0.5
0.5

Wind Speed/Direction (mph)

3
4
6
7
7
7
8
8
8
8
7
8
7
6
6
6
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

23
23
24
25
26
27
27
28
29
28
28
28
27
26
26
25
25
24
24
24
23
23
23
23

Feels Like (°C)

26
25
25
26
28
29
29
30
31
31
31
30
30
31
29
29
29
29
28
27
27
25
25
26

Dew Point (°C)

23
23
23
24
24
24
24
25
25
24
22
23
24
24
24
24
24
24
23
23
23
22
22
22

Relative Humidity (%)

98
98
98
94
91
87
84
83
79
75
71
76
82
86
91
92
94
95
95
95
95
95
97
97

Pressure (mb)

1018
1018
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

297
298
298
299
299
299
300
300
300
300
299
299
299
299
299
298
298
298
298
298
298
299
299
300

Thursday 6

Waning Crescent 46%

00:11

14:47

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 06:08, Set: 20:12, Transit: 13:10. Moon - Rise: 00:11, Set: 14:47. Civil Dark: 20:42 - 05:39. Nautical Dark: 21:18 - 05:03. Astro Dark: 21:58 - 04:23

Total Clouds (% Sky Obscured)

98
96
96
96
97
95
98
98
95
95
97
98
99
100
100
100
100
98
95
90
90
89
84
82

Low Clouds (% Sky Obscured)

63
61
60
59
58
54
50
45
50
56
64
61
55
50
46
42
37
31
25
18
28
38
48
48

Medium Clouds (% Sky Obscured)

44
45
38
31
25
20
16
13
17
22
28
47
65
87
65
54
25
17
13
0
0
0
0
0

High Clouds (% Sky Obscured)

87
84
84
82
82
86
91
91
93
95
97
98
99
100
100
100
100
98
95
90
83
75
63
68

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
2
3
4
4
6
8
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

63
54
60
65
71
78
82
88
95
95
95
95
95
95
95
94
88
73
52
6
8
6
0
0

Precipitation Amount (mm)

0.3
0
0.2
0.3
0.3
0.5
0.5
0.7
0.7
0.8
1.1
1.1
0.9
0.8
0.7
0.7
0.7
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

2
4
5
6
6
7
8
8
9
9
8
7
6
4
2
2
2
2
2
2
2
1
2
3

Chance of Frost

Temperature (°C)

23
23
24
25
25
26
26
27
28
28
28
28
27
26
26
25
24
23
23
23
22
22
22
21

Feels Like (°C)

25
25
25
26
26
25
26
27
27
32
32
32
31
30
29
27
27
27
28
27
27
25
25
25

Dew Point (°C)

22
23
23
23
22
21
21
22
22
23
24
25
24
23
23
22
22
21
21
21
20
20
20
20

Relative Humidity (%)

95
95
94
88
82
76
75
72
72
75
78
82
83
83
83
84
85
85
88
88
88
89
91
91

Pressure (mb)

1019
1019
1019
1019
1020
1020
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

301
301
302
302
302
302
302
303
303
304
304
305
304
304
304
304
303
303
303
302
302
302
303
303

Friday 7

Waning Crescent 34%

01:01

16:01

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:09, Set: 20:11, Transit: 13:10. Moon - Rise: 01:01, Set: 16:01. Civil Dark: 20:41 - 05:40. Nautical Dark: 21:17 - 05:04. Astro Dark: 21:56 - 04:25

Total Clouds (% Sky Obscured)

84
88
94
93
90
92
94
97
94
88
76
49
40
33
32
30
28
48
63
79

Low Clouds (% Sky Obscured)

47
47
51
55
59
53
46
40
40
41
41
29
16
3
4
5
7
17
27
37

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
3
4
3
1
0
0
0
0
0
0
0
2
4
5

High Clouds (% Sky Obscured)

78
88
93
90
86
92
94
96
92
88
76
49
30
1
2
3
4
20
35
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
23
34
42
44
45
46
47
48
49
40
28
2
12
14
13
30
42
53

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

2
1
2
2
3
4
4
5
6
7
7
8
7
6
6
4
3
3
2
2

Chance of Frost

Temperature (°C)

22
22
23
24
25
26
27
27
28
28
28
28
27
27
26
26
25
24
24
23

Feels Like (°C)

25
25
24
27
28
27
27
28
27
32
32
30
32
33
35
28
29
29
29
29

Dew Point (°C)

20
20
20
20
20
20
20
20
19
19
20
20
21
22
22
21
20
20
20
20

Relative Humidity (%)

89
88
85
80
74
70
66
62
58
58
60
60
67
72
78
77
76
74
77
81

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

302
302
301
301
301
302
301
301
301
301
302
302
303
303
303
304
304
304
303
303

Forecast for Ephrata, Lancaster, United States of America (40.18,-76.17)

Generated: 01/08/26 06:46:21. Forecast: 01/08/26 to 07/08/26. Timezone: UTC-4.00