Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 18

Waning Crescent 1%

06:28

16:07

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:56, Set: 16:49, Transit: 11:53. Moon - Rise: 06:28, Set: 16:07. Civil Dark: 17:18 - 06:28. Nautical Dark: 17:51 - 05:55. Astro Dark: 18:23 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
94
88
88
91
97
83
93
94
92
91
89
51
98
100
66
65

Low Clouds (% Sky Obscured)

72
87
96
95
97
100
100
100
94
88
88
91
97
82
93
94
92
91
88
51
36
31
25
15

Medium Clouds (% Sky Obscured)

100
100
100
87
99
100
26
28
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
68
100
20
15
19
24
34
8
0
0
0
0
0
0
0
0
0
6
86
100
46
65

ISS Passover

Visibility (miles)

2
8
9
9
7
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
71
13
6
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.2
1.5
1.4
1.2
0.6
0.2
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
6
4
3
2
2
4
6
7
9
8
8
8
7
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
96
96
96
94
96
96
94
93
91
84
79
75
76
74
77
82
85
87
88
90

Pressure (mb)

1021
1020
1020
1019
1018
1018
1018
1018
1019
1020
1020
1021
1022
1022
1022
1021
1022
1022
1022
1023
1024
1024
1025
1025

Ozone (du)

272
276
284
288
290
295
301
294
292
286
276
278
281
282
278
274
273
272
271
271
271
270
269
268

Wednesday 19

Waning Crescent 0%

07:30

16:42

22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:58, Set: 16:48, Transit: 11:53. Moon - Rise: 07:30, Set: 16:42. Civil Dark: 17:17 - 06:29. Nautical Dark: 17:50 - 05:56. Astro Dark: 18:22 - 05:24

Total Clouds (% Sky Obscured)

65
32
85
57
91
91
96
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
22
23
27
32
61
95
100
100
100
100
98
100
100
98
94
93
100
98
87
88
90
82
89

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
74
93
83
65
77
96
91
99
67
52
64
72
71
65
31
2
0
0

High Clouds (% Sky Obscured)

65
6
55
17
50
53
52
46
40
45
71
67
55
100
100
70
28
54
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

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
1
0
0
0
6
0
1
2
3
5
6
11
5
3
1
0

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
3
3
2
2
2
2
2
2
2
2
1
4
4
4
3
4
4
4
4
3
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
3
2
3
3
2
1
1
1
1
1
1
1
1
2
2
2
3
3
2
3
3
3

Relative Humidity (%)

88
90
89
88
88
86
83
79
76
75
71
67
65
62
62
62
63
63
65
68
68
69
71
73

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1021
1021
1022
1022
1021
1021

Ozone (du)

265
262
261
261
260
260
260
262
265
265
267
267
267
267
267
267
268
264
263
263
263
263
263
264

Thursday 20

New Moon 2%

08:30

17:24

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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

Sun - Rise: 06:59, Set: 16:48, Transit: 11:53. Moon - Rise: 08:30, Set: 17:24. Civil Dark: 17:17 - 06:30. Nautical Dark: 17:50 - 05:57. Astro Dark: 18:22 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100
98
99
99
99

Low Clouds (% Sky Obscured)

83
79
81
80
74
58
49
58
59
49
48
65
62
58
73
82
96
92
99
92
88
89
86
82

Medium Clouds (% Sky Obscured)

0
14
12
26
33
76
96
99
100
100
99
100
99
100
100
86
86
94
100
80
93
63
98
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
98
97
100
100
100
100
100
100
100
100
61
31
32
46
71
74
77
80

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
4

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

Precipitation Probability (%)

0
0
0
0
0
0
6
22
22
9
8
21
36
17
1
2
4
6
18
4
2
10
72
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0.6
0.4

Wind Speed/Direction (mph)

3
3
3
3
3
3
4
4
3
3
4
3
4
5
5
5
5
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
7
7
7
7
8
9
10
11
11
11
12
12
11
11
11
11
11
11

Feels Like (°C)

5
5
5
5
5
5
5
5
5
5
5
6
7
8
8
9
9
10
10
10
10
10
9
10

Dew Point (°C)

3
3
4
4
4
5
5
6
6
6
6
6
6
6
7
7
8
8
9
9
10
10
10
11

Relative Humidity (%)

73
74
77
79
81
82
85
90
91
91
88
82
77
74
75
75
76
79
83
88
91
95
96
98

Pressure (mb)

1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1017
1015
1015
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

263
263
263
262
263
264
264
268
272
273
272
272
269
268
266
267
269
271
272
273
274
274
272
267

Friday 21

Waxing Crescent 6%

09:26

18:14

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
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 OK
20 OK
21 Good

Sun - Rise: 07:00, Set: 16:47, Transit: 11:54. Moon - Rise: 09:26, Set: 18:14. Civil Dark: 17:16 - 06:31. Nautical Dark: 17:49 - 05:58. Astro Dark: 18:21 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
99
99
98
91
90
87
85
83
84
80
76
76
78
76
77
67
60
49
32
32
15

Low Clouds (% Sky Obscured)

80
79
79
85
90
96
84
72
60
44
28
12
8
8
10
5
5
5
0
0
0
5
10
15

Medium Clouds (% Sky Obscured)

98
97
96
96
64
63
60
69
62
68
71
74
65
65
61
60
67
65
52
25
14
9
4
0

High Clouds (% Sky Obscured)

86
92
100
70
40
3
7
10
22
38
40
45
45
60
70
70
70
75
67
60
1
0
3
3

ISS Passover

Visibility (miles)

1
0
0
0
0
4
9
9
9
5
6
3
9
9
9
9
4
4
8
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
Light Rain
None
None
None
None
None
None
None
Light Rain
None
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

83
72
22
24
14
7
9
10
38
76
68
63
22
22
24
43
88
77
22
3
2
0
0
0

Precipitation Amount (mm)

0.7
0.5
0
0
0
0
0
0
0
0.4
0
0.3
0
0
0
0
0.3
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
10
10
11
11
11
11
11
11
12
12
12
14
13
13
13
12
12
11
10
8
8
7

Feels Like (°C)

9
10
10
9
10
10
10
11
10
11
11
11
12
14
13
14
12
10
9
7
7
5
4
3

Dew Point (°C)

10
11
10
10
11
11
11
11
11
11
11
12
12
12
12
12
11
11
11
10
8
6
5
3

Relative Humidity (%)

98
100
100
98
98
98
96
98
98
98
96
98
96
87
90
92
90
92
92
91
88
84
81
77

Pressure (mb)

1013
1012
1012
1012
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1012
1012
1012
1013
1013
1014
1015
1016
1017
1018

Ozone (du)

266
262
264
267
270
276
278
279
278
275
275
274
275
275
277
278
277
275
276
280
283
281
282
285

Saturday 22

Waxing Crescent 11%

10:16

19:11

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

Sun - Rise: 07:01, Set: 16:47, Transit: 11:54. Moon - Rise: 10:16, Set: 19:11. Civil Dark: 17:16 - 06:32. Nautical Dark: 17:49 - 05:59. Astro Dark: 18:21 - 05:27

Total Clouds (% Sky Obscured)

35
55
73
68
60
56
46
45
58
66
67
68
67
72
72
32
21
16
12
8
5
15
22
25

Low Clouds (% Sky Obscured)

30
44
59
59
59
56
46
45
58
66
67
68
67
65
56
32
21
16
12
8
0
0
0
0

Medium Clouds (% Sky Obscured)

16
28
34
34
34
33
38
45
58
65
67
68
67
72
72
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
5
4
4
3
3
0
4
2
0
0
0
0
0
0
0
0
1
3
5
15
22
25

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 (%)

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

Chance of Frost

Temperature (°C)

7
6
6
5
5
5
5
4
4
3
5
6
7
8
10
11
11
11
10
10
9
8
8
7

Feels Like (°C)

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

Dew Point (°C)

3
3
3
2
2
1
1
0
0
0
1
-0
-1
-1
-1
-1
0
1
1
1
1
0
0
-0

Relative Humidity (%)

78
81
80
80
80
79
78
77
77
79
75
65
58
53
48
46
48
50
53
55
57
59
60
60

Pressure (mb)

1018
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1021
1020
1019
1019
1019
1020
1020
1020
1020
1021

Ozone (du)

286
289
293
294
295
295
293
291
292
291
289
286
285
285
286
286
285
283
282
284
286
287
289
291

Sunday 23

Waxing Crescent 18%

10:58

20:13

22 OK
23 OK
00 OK
01 OK
02 OK
03 Good
04 OK
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

Sun - Rise: 07:02, Set: 16:46, Transit: 11:54. Moon - Rise: 10:58, Set: 20:13. Civil Dark: 17:16 - 06:33. Nautical Dark: 17:49 - 06:00. Astro Dark: 18:21 - 05:28

Total Clouds (% Sky Obscured)

30
30
45
37
36
15
41
69
100
98
97
95
96
97
98
99
99
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
7
11
28
45
61
60
59
58
72
86
95
95
80
35
5
4
8

Medium Clouds (% Sky Obscured)

0
0
0
5
9
15
36
57
61
52
34
21
21
27
33
21
13
4
7
11
14
16
17
17

High Clouds (% Sky Obscured)

30
30
45
37
33
0
33
67
100
67
33
0
18
38
68
72
87
99
98
97
96
88
80
55

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
9
14
19
37
56
69
59
44
8
5
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
6
6
6
6
8
10
11
12
13
14
14
13
12
11
10
10
9
9

Feels Like (°C)

6
7
7
6
4
5
5
4
4
4
5
6
6
7
7
8
12
11
10
10
10
10
7
8

Dew Point (°C)

-1
0
1
1
1
2
2
2
2
2
3
4
4
5
5
6
6
6
6
6
5
6
5
5

Relative Humidity (%)

60
64
67
70
71
75
76
75
76
75
70
66
60
60
58
57
60
64
67
70
72
76
76
76

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

293
292
291
290
288
287
285
285
285
285
285
285
285
284
282
281
280
279
278
279
279
280
279
278

Monday 24

Waxing Crescent 27%

11:34

21:18

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

Sun - Rise: 07:03, Set: 16:46, Transit: 11:54. Moon - Rise: 11:34, Set: 21:18. Civil Dark: 17:15 - 06:34. Nautical Dark: 17:48 - 06:01. Astro Dark: 18:20 - 05:28

Total Clouds (% Sky Obscured)

99
99
98
92
87
83
88
93
100
89
76
64
43
59
65
80
90
95
96
98
100

Low Clouds (% Sky Obscured)

16
19
21
30
31
34
27
16
0
5
9
14
9
5
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

37
57
78
57
36
14
11
7
2
3
3
3
14
20
35
35
41
51
54
57
73

High Clouds (% Sky Obscured)

5
0
0
11
22
35
63
84
100
83
71
64
43
48
15
10
10
5
29
59
88

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

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
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
0
0

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

9
9
9
9
9
9
9
8
8
8
10
11
12
13
13
14
14
13
13
12
11

Feels Like (°C)

8
8
8
9
8
8
7
7
7
7
7
7
6
8
8
9
12
12
12
11
11

Dew Point (°C)

5
6
6
6
6
6
6
6
5
5
5
5
5
6
6
7
7
7
8
7
7

Relative Humidity (%)

76
78
80
82
82
82
82
82
81
78
74
68
64
63
60
59
62
65
70
72
75

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1017
1018
1018
1019
1019
1020
1019
1019
1018
1019
1019
1019
1020
1020

Ozone (du)

277
276
275
273
274
276
277
278
278
279
278
277
277
276
276
275
274
274
273
273
273

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

Generated: 18/11/25 22:48:35. Forecast: 18/11/25 to 24/11/25. Timezone: UTC-5.00