Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 6

Waning Gibbous 65%

00:10

12:15

05 Bad
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

Sun - Rise: 05:47, Set: 20:37, Transit: 13:12. Moon - Rise: 00:10, Set: 12:15. Civil Dark: 21:09 - 05:15. Nautical Dark: 21:49 - 04:36. Astro Dark: 22:35 - 03:50

Total Clouds (% Sky Obscured)

82
87
86
91
86
92
84
78
100
100
99
85
63
56
100
100
100
100
100
92
99
100
93
95

Low Clouds (% Sky Obscured)

82
82
86
86
85
90
84
78
81
78
91
81
63
54
60
72
81
84
80
86
83
85
76
72

Medium Clouds (% Sky Obscured)

32
44
37
21
42
25
38
45
44
22
29
55
31
53
75
67
45
36
16
22
1
3
1
1

High Clouds (% Sky Obscured)

64
52
86
50
31
81
63
55
100
100
99
68
51
49
100
100
100
100
73
65
98
100
92
92

ISS Passover

Visibility (miles)

5
5
5
9
9
9
9
9
9
9
9
9
6
6
9
1
9
1
5
4
0
0
6
5

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

Ice pellet
Light Rain
None
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Ice pellet
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

17
6
1
95
88
95
95
92
80
60
72
95
95
95
95
95
95
95
52
56
60
23
5
9

Precipitation Amount (mm)

0.7
0.4
2
1.2
0.4
0.6
1.1
0.9
0.6
0
0.3
1.8
1.6
1.2
1.1
0.9
1.3
1.3
0
0.4
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
96
94
91
82
73
67
62
58
54
55
65
72
82
91
95
95
97
98
98
96
98
98

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

315
315
316
316
315
314
314
314
313
313
314
315
316
317
313
312
312
313
312
311
313
312
312
311

Tuesday 7

Third Quarter 54%

00:35

13:21

05 Bad
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

Sun - Rise: 05:48, Set: 20:36, Transit: 13:12. Moon - Rise: 00:35, Set: 13:21. Civil Dark: 21:08 - 05:16. Nautical Dark: 21:48 - 04:37. Astro Dark: 22:34 - 03:51

Total Clouds (% Sky Obscured)

98
91
93
97
85
85
71
80
63
100
100
98
94
100
100
100
100
98
92
94
93
95
95
98

Low Clouds (% Sky Obscured)

76
79
80
90
76
80
60
65
46
42
33
46
51
58
58
69
89
79
85
84
82
88
90
81

Medium Clouds (% Sky Obscured)

1
5
9
21
23
20
28
41
62
63
53
60
35
42
35
49
74
77
53
53
59
45
40
66

High Clouds (% Sky Obscured)

93
70
75
75
75
70
71
70
63
100
100
53
67
91
100
100
100
75
75
75
80
79
27
56

ISS Passover

Visibility (miles)

4
4
4
9
9
9
9
7
9
8
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
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
1
2
14
8
22
30
22
18
16
9
16
10
12
7
9
13
7
11
8
8
13
11

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)

4
4
4
5
4
4
4
4
4
4
4
3
2
2
4
4
4
5
5
7
6
6
6
5

Chance of Frost

Temperature (°C)

21
20
21
21
23
24
25
27
28
29
30
30
29
29
28
26
25
24
24
23
23
22
21
21

Feels Like (°C)

24
23
23
24
26
27
28
29
31
32
32
33
33
32
30
29
27
26
25
24
24
23
22
22

Dew Point (°C)

20
20
20
20
21
23
24
25
27
28
29
27
25
25
24
23
23
22
22
21
21
20
19
19

Relative Humidity (%)

98
98
96
94
91
89
91
92
95
95
93
85
79
77
78
83
86
88
91
89
88
88
86
88

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

311
311
311
311
311
311
310
311
312
312
313
314
313
313
313
313
313
314
313
313
315
314
313
314

Wednesday 8

Waning Crescent 43%

01:03

14:32

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

Sun - Rise: 05:49, Set: 20:36, Transit: 13:12. Moon - Rise: 01:03, Set: 14:32. Civil Dark: 21:08 - 05:17. Nautical Dark: 21:48 - 04:38. Astro Dark: 22:33 - 03:52

Total Clouds (% Sky Obscured)

100
93
93
97
96
100
89
80
95
97
91
44
51
26
62
60
25
62
50
36
67
75
93
90

Low Clouds (% Sky Obscured)

81
78
71
67
89
98
76
57
86
87
53
44
36
5
0
0
0
0
29
36
57
54
51
48

Medium Clouds (% Sky Obscured)

69
56
51
53
48
29
33
18
14
19
24
22
13
0
0
0
0
4
19
17
24
20
18
17

High Clouds (% Sky Obscured)

36
65
43
17
18
73
70
4
5
3
2
4
32
7
62
60
8
62
30
12
60
40
93
86

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
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

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 (%)

20
5
5
5
3
3
14
8
13
0
0
0
2
1
1
0
0
0
0
2
1
1
1
3

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)

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

Chance of Frost

Temperature (°C)

20
21
20
21
21
22
23
24
26
28
28
29
29
29
28
27
25
24
23
22
22
22
22
22

Feels Like (°C)

22
22
22
22
23
23
24
26
28
30
30
30
33
32
32
30
28
28
25
25
26
25
25
24

Dew Point (°C)

18
19
19
18
18
19
20
21
23
24
25
24
24
23
24
24
23
23
22
22
21
21
22
21

Relative Humidity (%)

88
91
91
86
84
81
81
80
81
80
81
77
74
73
76
83
88
91
94
95
95
95
96
96

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

315
315
316
317
318
318
319
319
318
319
321
320
319
319
319
318
317
317
317
317
316
315
313
314

Thursday 9

Waning Crescent 32%

01:39

15:46

05 Bad
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 OK

Sun - Rise: 05:49, Set: 20:36, Transit: 13:13. Moon - Rise: 01:39, Set: 15:46. Civil Dark: 21:07 - 05:18. Nautical Dark: 21:47 - 04:39. Astro Dark: 22:33 - 03:53

Total Clouds (% Sky Obscured)

93
97
99
95
93
65
61
39
46
100
100
88
76
100
100
100
100
100
95
67
54
45
80
35

Low Clouds (% Sky Obscured)

62
77
91
80
64
53
58
39
46
66
64
61
47
33
26
27
22
58
24
39
44
45
43
35

Medium Clouds (% Sky Obscured)

19
23
22
21
75
21
15
11
7
4
3
9
39
65
63
3
0
37
3
34
31
4
0
0

High Clouds (% Sky Obscured)

84
28
66
42
10
7
31
11
14
100
100
77
22
100
100
100
100
100
94
19
12
27
73
16

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

4
3
6
19
23
17
27
31
85
73
66
86
95
95
95
95
83
37
48
42
6
3
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.7
0.4
0.3
0.3
1.8
5.5
5.9
0.6
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
6
6
6
6
6
7
7
6
5
5
6
5
2
3
3
4
3
4
4
3
3

Chance of Frost

Temperature (°C)

22
23
24
25
26
28
29
30
31
31
30
29
28
28
26
25
25
25
24
24
24
23
23
23

Feels Like (°C)

24
25
26
27
28
30
33
33
34
35
33
32
31
30
29
29
28
27
26
26
26
26
27
25

Dew Point (°C)

21
23
23
23
23
24
24
23
23
24
22
21
19
24
26
24
24
24
23
23
23
22
23
22

Relative Humidity (%)

96
98
95
92
86
78
72
66
62
65
63
59
56
80
97
97
95
94
95
95
97
95
97
95

Pressure (mb)

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

Ozone (du)

314
312
312
313
313
313
312
313
313
312
313
313
312
312
311
321
323
322
319
317
313
311
312
310

Friday 10

Waning Crescent 21%

02:24

17:03

05 OK
06 OK
07 Bad
08 OK
09 OK
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

Sun - Rise: 05:50, Set: 20:35, Transit: 13:13. Moon - Rise: 02:24, Set: 17:03. Civil Dark: 21:07 - 05:18. Nautical Dark: 21:47 - 04:39. Astro Dark: 22:32 - 03:55

Total Clouds (% Sky Obscured)

29
23
52
32
32
47
73
78
84
90
96
100
100
100
66
74
85
98
95
92
89
77
65
51

Low Clouds (% Sky Obscured)

29
23
20
27
32
43
52
57
52
74
52
11
12
11
12
11
13
22
25
25
28
30
56
51

Medium Clouds (% Sky Obscured)

0
0
0
2
4
8
7
6
5
20
45
16
10
6
0
13
30
55
44
39
38
32
31
30

High Clouds (% Sky Obscured)

17
8
52
18
3
11
50
36
31
44
69
100
100
100
66
74
78
78
87
90
89
77
65
51

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
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

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

Precipitation Probability (%)

0
0
0
6
9
9
27
43
40
69
67
58
59
56
51
87
65
25
95
95
95
95
93
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0
0.2
0.2
0
0.5
0.3
0
1
2.1
3.3
1
0.7
0.3

Wind Speed/Direction (mph)

4
4
4
4
6
6
8
9
8
8
8
11
10
10
9
7
7
7
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

23
24
25
26
27
28
29
30
31
31
30
29
28
28
27
27
26
25
25
24
24
24
23
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
92
88
79
72
66
63
57
52
69
69
66
69
71
76
77
78
80
83
87
91
89
91

Pressure (mb)

1011
1011
1011
1012
1012
1011
1011
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

306
304
305
304
304
302
302
302
300
298
299
301
303
307
311
312
313
314
315
314
313
313
313
313

Saturday 11

Waning Crescent 12%

03:21

18:19

05 Bad
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

Sun - Rise: 05:51, Set: 20:35, Transit: 13:13. Moon - Rise: 03:21, Set: 18:19. Civil Dark: 21:06 - 05:19. Nautical Dark: 21:46 - 04:40. Astro Dark: 22:31 - 03:56

Total Clouds (% Sky Obscured)

60
68
75
74
74
75
84
92
100
100
100
100
99
99
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
67
51
53
55
57
46
38
31
34
35
36
24
12
0
0
0
0
19
39
58
59
60
60

Medium Clouds (% Sky Obscured)

16
10
3
5
6
5
2
5
7
11
14
0
0
0
0
0
0
0
1
1
1
22
50
78

High Clouds (% Sky Obscured)

60
60
45
53
49
42
52
71
100
99
99
99
98
96
92
95
98
100
100
100
100
100
100
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
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

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 (%)

61
42
7
8
7
1
2
2
1
1
1
0
0
0
0
0
0
0
0
0
0
1
2
1

Precipitation Amount (mm)

0.4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
25
24
24
25
25
25
25
26
26
29
29
28
28
28
29
24
24
23
23
23
23
21
21

Dew Point (°C)

22
21
21
20
19
17
16
16
16
16
16
15
16
16
16
17
15
14
12
12
12
12
12
13

Relative Humidity (%)

91
88
84
80
70
61
54
50
48
45
45
44
44
48
54
59
58
55
52
53
54
56
59
61

Pressure (mb)

1011
1012
1012
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

314
313
313
312
312
312
312
312
312
312
312
312
312
312
311
311
312
312
313
313
314
314
313
313

Sunday 12

Waning Crescent 5%

04:30

19:27

05 Bad
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

Sun - Rise: 05:51, Set: 20:34, Transit: 13:13. Moon - Rise: 04:30, Set: 19:27. Civil Dark: 21:06 - 05:20. Nautical Dark: 21:45 - 04:41. Astro Dark: 22:30 - 03:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
97
94
84
74
62
59
49
51
52
55
47
80
91
91
84

Low Clouds (% Sky Obscured)

52
44
37
41
45
49
43
38
32
30
28
26
21
13
9
6
3
0
7
15
22

Medium Clouds (% Sky Obscured)

78
78
80
82
77
69
53
37
21
26
29
27
32
40
52
52
47
60
70
80
84

High Clouds (% Sky Obscured)

97
94
91
94
96
97
85
65
45
45
45
40
35
25
20
5
5
10
15
45
50

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
2
1
1
1
1
0
0
3
5

Fog (%)

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
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

10
14
17
16
12
1
9
13
12
48
71
92
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.5
2.4
5.1
8.2
7.3
8
8.5
2.3
1.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
22
22
24
26
27
28
29
31
30
30
30
29
28
27
25
24
23
22
21

Feels Like (°C)

22
22
23
23
24
24
26
27
27
28
34
34
34
33
32
31
26
26
26
25
24

Dew Point (°C)

14
15
17
18
18
18
18
19
20
21
23
25
27
27
27
26
25
23
22
22
21

Relative Humidity (%)

64
68
73
76
69
63
57
57
56
56
66
75
86
90
94
98
98
98
97
96
95

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016
1016
1017
1017

Ozone (du)

312
313
314
315
314
313
312
313
313
313
312
311
310
310
309
308
308
309
310
313
316

Forecast for Marriottsville, Howard, United States of America (39.35,-76.90)

Generated: 06/07/26 05:55:43. Forecast: 06/07/26 to 12/07/26. Timezone: UTC-4.00