Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 13%

08:17

21:36

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

Sun - Rise: 06:50, Set: 17:50, Transit: 12:21. Moon - Rise: 08:17, Set: 21:36. Civil Dark: 18:17 - 06:23. Nautical Dark: 18:49 - 05:51. Astro Dark: 19:20 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
96
81
78
34
30
6
2
2
3
3
4
4
4
7
20
46
60
59

Low Clouds (% Sky Obscured)

95
95
96
100
98
97
96
81
73
25
19
2
2
2
3
3
3
3
3
3
3
0
0
2

Medium Clouds (% Sky Obscured)

100
100
93
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
5
4
22

High Clouds (% Sky Obscured)

100
100
100
100
100
26
3
6
0
0
0
1
0
0
0
0
0
0
0
0
0
30
42
46

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
5
10
11
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
6
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
5
0

Precipitation Amount (mm)

2.3
1.9
1.9
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
6
4
3
2
4
5
7
9
7
7
9
9
10
10
10
10
10
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
1
1
2
4
4
5
6
7
9
9
6
4
5
6
5
4
2
2
1
1
1
1
1

Dew Point (°C)

3
3
4
4
5
6
7
7
7
8
7
1
-1
2
4
3
2
1
1
-0
0
-0
-0
-0

Relative Humidity (%)

98
100
100
98
98
98
96
93
87
85
80
55
51
61
67
70
69
70
71
72
75
75
77
80

Pressure (mb)

1008
1009
1008
1007
1006
1005
1004
1003
1002
1002
1002
1004
1005
1006
1007
1008
1008
1009
1009
1010
1010
1011
1012
1013

Ozone (du)

322
320
321
321
322
321
324
326
322
320
325
325
327
329
331
334
338
337
335
334
334
336
335
336

Saturday 21

Waxing Crescent 22%

08:43

22:49

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

Sun - Rise: 06:48, Set: 17:51, Transit: 12:21. Moon - Rise: 08:43, Set: 22:49. Civil Dark: 18:19 - 06:21. Nautical Dark: 18:50 - 05:50. Astro Dark: 19:21 - 05:19

Total Clouds (% Sky Obscured)

69
63
65
100
88
90
100
97
63
61
47
27
6
10
8
6
9
77
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
3
3
3
3
3
2
0
0
0
0
0
0
0
0
0
10
10
27
49
67
86

Medium Clouds (% Sky Obscured)

39
23
25
20
17
11
0
0
0
0
0
0
0
7
5
6
7
53
82
100
100
100
100
100

High Clouds (% Sky Obscured)

46
47
6
40
61
79
100
97
63
60
47
26
5
5
4
0
1
15
99
99
99
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
8
0
0

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
Snow
Snow
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
1
6
25
69
85
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
4
6
7
8
9
10
10
10
10
9
8
6
5
5
4
3
1
1
2
2
2
1

Feels Like (°C)

1
1
2
3
2
3
5
6
7
7
7
6
6
5
4
3
2
1
-3
-3
-2
-2
-2
-3

Dew Point (°C)

-1
-0
-2
-2
-2
-2
-2
-2
-2
-1
1
1
2
1
1
2
1
-0
-2
-4
-3
-1
1
1

Relative Humidity (%)

80
77
64
57
54
51
47
45
43
48
55
60
65
70
76
80
82
80
78
74
74
79
94
98

Pressure (mb)

1014
1015
1015
1016
1016
1016
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

337
339
341
344
345
344
344
345
347
347
349
349
350
351
349
350
354
355
355
357
361
363
364
364

Sunday 22

Waxing Crescent 32%

09:12

00:04

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
06 Bad

Sun - Rise: 06:47, Set: 17:53, Transit: 12:20. Moon - Rise: 09:12, Set: 00:04. Civil Dark: 18:20 - 06:20. Nautical Dark: 18:51 - 05:49. Astro Dark: 19:22 - 05:18

Total Clouds (% Sky Obscured)

100
100
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)

89
94
93
90
92
78
83
84
83
85
88
92
95
93
90
92
94
93
92
89
85
82
81
79

Medium Clouds (% Sky Obscured)

100
100
92
100
100
100
100
100
98
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

30
30
30
30
30
2
30
25
25
8
10
5
5
10
15
15
10
20
23
22
20
40
63
89

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4
0
0
0

Fog (%)

0
0
0
2
1
22
20
19
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Light Rain
Light Rain
Moderate Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Snow
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
82
49
50
59
68
62
46

Precipitation Amount (mm)

1
1.5
1.5
2.2
2.4
2.6
2
2.8
2
1.2
1.3
1.3
1.4
1.4
0.9
0.6
0.6
0.4
0.1
0.1
0.2
0.3
0.3
0.1

Wind Speed/Direction (mph)

4
4
5
6
6
5
5
6
9
10
11
11
11
11
12
12
12
11
12
11
12
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
100
100
100
100
100
100
100
100
98
98
96
96
96
92
92
92
92
91
91
92
96
94

Pressure (mb)

1016
1016
1015
1015
1014
1014
1013
1012
1011
1010
1009
1009
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

365
368
369
371
376
397
394
388
389
391
394
399
405
404
406
404
404
414
428
436
439
436
428
424

Monday 23

Waxing Crescent 44%

09:48

01:19

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:46, Set: 17:54, Transit: 12:20. Moon - Rise: 09:48, Set: 01:19. Civil Dark: 18:21 - 06:19. Nautical Dark: 18:52 - 05:47. Astro Dark: 19:23 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
86
73
55
22
13
5
8
7
9

Low Clouds (% Sky Obscured)

77
75
74
76
78
80
81
82
82
74
68
62
41
22
3
0
0
0
0
0
0
3
6
8

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
98
97
95
93
91
88
69
47
25
13
7
1
1
0
0

High Clouds (% Sky Obscured)

93
96
100
100
100
100
100
100
100
100
100
100
100
100
100
86
73
55
5
6
5
8
6
3

ISS Passover

Visibility (miles)

0
1
1
0
1
0
0
0
1
1
0
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
37
43
44
45
53
54
44
36
36
32
8
9
8
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.1
0.1
0.1
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-0
0
0
1
1
1
1
1
1
1
1
1
0
0
-0
-1
-1
-2
-2
-3
-3
-4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
94
94
98
100
100
98
98
98
89
84
84
84
86
86
87
89
87
87
87
89
87

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1011
1011
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1018

Ozone (du)

422
417
412
408
404
403
405
409
413
416
419
422
423
422
421
417
413
407
396
392
389
390
391
395

Tuesday 24

First Quarter 55%

10:32

02:31

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

Sun - Rise: 06:44, Set: 17:55, Transit: 12:20. Moon - Rise: 10:32, Set: 02:31. Civil Dark: 18:22 - 06:17. Nautical Dark: 18:53 - 05:46. Astro Dark: 19:24 - 05:15

Total Clouds (% Sky Obscured)

24
36
47
32
60
58
52
51
49
43
32
25
25
25
15
5
5
10
37
60
81
84
81
65

Low Clouds (% Sky Obscured)

24
36
47
32
29
15
21
23
29
20
10
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
5
13
21
16
8
0
0
0
0
0
0
8
5
5
5
4
3
2
30
39
50

High Clouds (% Sky Obscured)

2
4
8
5
4
4
4
3
0
43
32
25
25
25
15
5
5
10
37
32
23
38
42
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
4
7
9
8
7

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
Snow
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
4
19
1
3
0
0
0
1
0
22
31
39
33
25
9
9
6
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
11
12
12
12
11
10
9
7
6
4
3
3
2
2
4
5
6
6
6
6
6
7

Chance of Frost

Temperature (°C)

-4
-4
-3
-2
-1
-1
0
1
1
1
0
-2
-3
-3
-2
-2
-1
-1
-1
-1
-2
-2
-3
-4

Feels Like (°C)

-9
-9
-7
-6
-6
-6
-5
-4
-3
-3
-4
-6
-7
-7
-7
-7
-7
-7
-7
-5
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

85
85
87
87
86
84
83
84
86
88
88
92
94
94
96
96
96
96
96
96
96
98
98
98

Pressure (mb)

1019
1019
1019
1020
1019
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015

Ozone (du)

417
421
411
406
404
404
405
410
414
419
421
423
428
426
425
423
421
420
418
420
421
422
422
423

Wednesday 25

Waxing Gibbous 67%

11:27

03:35

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
06 Bad

Sun - Rise: 06:43, Set: 17:56, Transit: 12:20. Moon - Rise: 11:27, Set: 03:35. Civil Dark: 18:23 - 06:16. Nautical Dark: 18:54 - 05:45. Astro Dark: 19:25 - 05:14

Total Clouds (% Sky Obscured)

58
48
41
60
80
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
4
25
44
50
50
45
37
19
29
33
36
40
41
42
43
47
51
55
55
56
60

Medium Clouds (% Sky Obscured)

55
48
41
30
45
70
86
88
98
99
100
100
100
100
100
99
97
94
96
98
100
100
100
100

High Clouds (% Sky Obscured)

58
48
41
60
80
90
98
99
100
100
100
100
71
39
9
39
70
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
9
15
20
25
23
15
12
10
7
50
71
87
90
93
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6
0.6
0.7

Wind Speed/Direction (mph)

7
8
9
10
11
11
12
12
11
11
10
9
8
8
8
7
7
7
7
7
6
5
5
5

Chance of Frost

Temperature (°C)

-5
-3
-1
1
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
3
3
3

Feels Like (°C)

-6
-8
-6
-6
-5
-4
-3
-2
-2
-3
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

-5
-3
-1
1
1
2
2
2
2
2
2
2
2
2
2
2
1
2
2
2
2
3
3
3

Relative Humidity (%)

98
98
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

423
428
433
438
435
431
427
425
422
419
416
413
410
408
405
403
401
398
396
396
396
395
393
391

Thursday 26

Waxing Gibbous 78%

12:32

04:29

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

Sun - Rise: 06:41, Set: 17:57, Transit: 12:20. Moon - Rise: 12:32, Set: 04:29. Civil Dark: 18:24 - 06:14. Nautical Dark: 18:55 - 05:43. Astro Dark: 19:26 - 05:12

Total Clouds (% Sky Obscured)

99
98
97
97
97
95
93
81
62
52
41
32
25
22
25
50
65
75

Low Clouds (% Sky Obscured)

63
66
59
60
64
64
57
52
53
43
34
25
17
8
0
0
0
25

Medium Clouds (% Sky Obscured)

98
90
80
70
70
75
74
74
62
52
41
32
25
22
25
50
65
75

High Clouds (% Sky Obscured)

73
43
15
5
0
0
0
0
0
0
0
5
15
22
25
50
65
75

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

93
90
88
87
85
84
77
70
62
60
56
53
58
66
74
72
67
61

Precipitation Amount (mm)

0.6
0.6
0.5
0.5
0.5
0.5
0.4
0.4
0.3
0.3
0.2
0
0.2
0.3
0.4
0.4
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-0
0
1
1
1
1
4
4
3
3
2
2
3
3
3
2
2

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
98
100
100
98
100
98
100
100
100
100
98
96

Pressure (mb)

1013
1013
1013
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

389
390
392
394
393
392
390
390
390
390
389
387
386
385
384
383
382
382

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

Generated: 20/02/26 07:17:48. Forecast: 20/02/26 to 26/02/26. Timezone: UTC-5.00