Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 24

Waxing Crescent 36%

10:42

23:45

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 07:18, Set: 17:22, Transit: 12:21. Moon - Rise: 10:42, Set: 23:45. Civil Dark: 17:50 - 06:50. Nautical Dark: 18:22 - 06:18. Astro Dark: 18:54 - 05:46

Total Clouds (% Sky Obscured)

77
82
86
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)

0
0
34
80
85
74
87
96
100
100
100
100
100
100
97
96
100
99
100
95
96
95
99
100

Medium Clouds (% Sky Obscured)

77
82
86
99
100
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

77
82
86
100
100
100
100
100
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
3
7
1
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
1
1
0
0
0

Precipitation Type

None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Ice pellet
Ice pellet
Ice pellet
Frozen rai
Frozen rai
Ice pellet

Precipitation Probability (%)

0
0
6
2
17
11
50
79
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.4
0.9
1
1.2
1.9
2.2
2.1
2.2
2.3
2.6
2.6
2.2
1.7
1.5
2.1
1.2
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-7
-7
-7
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-7
-7
-6
-6
-6
-6
-6

Feels Like (°C)

-12
-12
-12
-11
-11
-11
-11
-12
-12
-12
-12
-12
-11
-12
-12
-12
-11
-11
-11
-11
-11
-11
-11
-10

Dew Point (°C)

-26
-26
-24
-24
-23
-22
-21
-17
-11
-10
-10
-10
-9
-9
-9
-9
-9
-8
-7
-7
-7
-7
-7
-6

Relative Humidity (%)

20
21
24
23
25
28
32
48
82
87
87
88
90
90
92
92
92
92
94
92
94
92
94
94

Pressure (mb)

1037
1037
1038
1038
1038
1038
1038
1037
1036
1036
1035
1034
1033
1032
1031
1030
1028
1027
1026
1024
1021
1019
1017
1015

Ozone (du)

281
282
284
281
281
281
281
281
282
282
284
284
282
281
282
284
283
284
281
283
283
283
281
278

Sunday 25

First Quarter 47%

11:13

00:57

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Good
12 OK
13 Good
14 Good
15 OK

Sun - Rise: 07:17, Set: 17:23, Transit: 12:21. Moon - Rise: 11:13, Set: 00:57. Civil Dark: 17:51 - 06:49. Nautical Dark: 18:23 - 06:17. Astro Dark: 18:55 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
94
95
75
61
64
81
92
94
95
99
67
45
10
33
1
8
33

Low Clouds (% Sky Obscured)

89
89
87
70
100
72
87
81
86
75
47
50
74
92
94
95
32
0
0
0
0
0
8
33

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
95
81
9
0
8
9
10
17
23
56
67
67
45
8
27
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
56
50
38
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
4
5
9
9
5
3
3
3
3
3
6
9
9
9
9
9
9
9
9

Fog (%)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
79
8
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3

Precipitation Amount (mm)

2.6
2.8
3.2
1.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
8
7
5
7
7
5
4
3
4
4
4
3
3
6
12
15
15
15
15
15
16
15

Chance of Frost

Temperature (°C)

-5
-5
-5
-5
-5
-5
-5
-6
-6
-6
-8
-9
-9
-9
-9
-8
-5
-4
-4
-3
-2
-2
-2
-3

Feels Like (°C)

-9
-9
-9
-9
-9
-9
-10
-10
-9
-9
-11
-12
-13
-12
-13
-12
-11
-11
-10
-9
-7
-6
-6
-7

Dew Point (°C)

-6
-5
-5
-5
-6
-6
-6
-7
-7
-7
-9
-10
-10
-10
-11
-10
-8
-8
-7
-6
-5
-5
-5
-6

Relative Humidity (%)

94
96
96
96
96
96
94
94
94
96
94
92
92
92
90
88
76
76
78
78
79
78
76
76

Pressure (mb)

1013
1012
1011
1011
1010
1010
1009
1009
1008
1007
1007
1007
1008
1008
1009
1010
1011
1012
1013
1014
1014
1014
1014
1015

Ozone (du)

278
278
275
276
276
278
279
280
281
281
279
280
279
281
286
288
290
292
296
300
301
302
307
316

Monday 26

Waxing Gibbous 59%

11:52

02:12

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

Sun - Rise: 07:16, Set: 17:24, Transit: 12:21. Moon - Rise: 11:52, Set: 02:12. Civil Dark: 17:52 - 06:48. Nautical Dark: 18:24 - 06:16. Astro Dark: 18:56 - 05:45

Total Clouds (% Sky Obscured)

36
30
31
23
11
8
0
1
0
1
0
0
0
0
0
1
1
1
0
0
0
0
0
1

Low Clouds (% Sky Obscured)

36
30
31
23
11
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0

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
54
59
61
60
55
51
51
51
51
51
51
51
51
51

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)

14
13
12
12
11
10
9
7
7
6
5
4
4
3
2
2
4
5
6
7
9
10
11
11

Chance of Frost

Temperature (°C)

-3
-5
-6
-7
-8
-9
-11
-14
-14
-15
-17
-18
-19
-20
-21
-21
-19
-15
-11
-8
-6
-4
-3
-2

Feels Like (°C)

-8
-9
-10
-12
-12
-12
-14
-16
-17
-17
-19
-21
-21
-22
-23
-23
-21
-17
-13
-11
-9
-8
-7
-6

Dew Point (°C)

-7
-8
-10
-11
-12
-12
-13
-16
-17
-17
-19
-21
-22
-23
-23
-24
-22
-18
-15
-12
-10
-8
-7
-5

Relative Humidity (%)

75
76
76
74
77
78
83
83
82
82
81
80
80
79
76
76
78
76
73
74
74
73
75
81

Pressure (mb)

1016
1017
1019
1020
1021
1022
1023
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1026
1025
1024
1022
1021
1020
1019

Ozone (du)

321
328
333
343
358
368
372
369
359
358
357
352
348
349
348
348
348
344
342
341
340
342
343
345

Tuesday 27

Waxing Gibbous 70%

12:41

03:27

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

Sun - Rise: 07:16, Set: 17:25, Transit: 12:21. Moon - Rise: 12:41, Set: 03:27. Civil Dark: 17:53 - 06:48. Nautical Dark: 18:25 - 06:16. Astro Dark: 18:57 - 05:45

Total Clouds (% Sky Obscured)

20
42
69
68
67
65
46
25
10
5
3
1
1
1
1
1
2
3
2
7
6
38
57
68

Low Clouds (% Sky Obscured)

19
38
64
61
62
63
45
25
8
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
30
45
30
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
26
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
7
4
21
39
25

ISS Passover

Visibility (miles)

9
9
9
9
9
3
4
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51

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
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

-2
-3
-4
-4
-5
-7
-9
-10
-11
-11
-12
-13
-13
-14
-14
-14
-12
-9
-8
-6
-5
-5
-4
-4

Feels Like (°C)

-6
-7
-7
-9
-8
-11
-13
-13
-12
-14
-14
-15
-15
-16
-16
-16
-14
-12
-11
-9
-8
-7
-7
-7

Dew Point (°C)

-4
-5
-5
-6
-6
-8
-10
-11
-12
-13
-14
-15
-16
-16
-16
-16
-14
-12
-11
-11
-10
-9
-9
-8

Relative Humidity (%)

84
84
89
89
92
94
90
88
86
85
85
83
83
83
83
83
83
78
75
70
69
69
68
69

Pressure (mb)

1018
1018
1019
1019
1020
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1025
1024
1023
1022

Ozone (du)

349
348
348
345
347
351
350
352
356
358
365
369
372
383
387
383
374
373
375
373
374
371
376
385

Wednesday 28

Waxing Gibbous 81%

13:41

04:38

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 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 OK

Sun - Rise: 07:15, Set: 17:27, Transit: 12:21. Moon - Rise: 13:41, Set: 04:38. Civil Dark: 17:55 - 06:47. Nautical Dark: 18:26 - 06:15. Astro Dark: 18:58 - 05:44

Total Clouds (% Sky Obscured)

63
64
66
77
90
100
95
91
88
75
62
50
3
2
0
3
5
8
28
47
66
55
44
33

Low Clouds (% Sky Obscured)

5
0
0
0
0
5
25
42
64
42
21
0
0
0
0
3
5
8
28
47
66
55
44
33

Medium Clouds (% Sky Obscured)

41
41
51
77
88
100
92
84
77
54
27
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
18
48
48
53
70
75
80
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Fog (%)

51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51

Precipitation Type

None
None
None
None
None
None
None
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
18
17
2
2
14
12
45
52
38
7
3
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
3
3
3
3
3
3
3
6
6
7
11
10
8
8
9
10
11
12
12
13
12
11

Chance of Frost

Temperature (°C)

-4
-5
-6
-6
-7
-8
-8
-8
-8
-8
-8
-8
-9
-10
-11
-12
-11
-10
-9
-8
-7
-6
-6
-6

Feels Like (°C)

-6
-8
-9
-10
-11
-11
-12
-11
-11
-12
-12
-13
-14
-15
-14
-15
-15
-15
-15
-15
-14
-14
-10
-10

Dew Point (°C)

-7
-5
-6
-7
-8
-9
-9
-9
-9
-9
-9
-10
-12
-13
-14
-15
-14
-13
-12
-12
-11
-11
-10
-9

Relative Humidity (%)

76
94
96
96
96
96
94
96
94
94
92
87
75
77
78
78
78
77
75
74
74
71
74
76

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1025
1025
1024
1024
1024
1024

Ozone (du)

396
418
439
458
469
475
478
481
482
484
479
455
437
415
394
385
384
383
381
378
374
371
370
370

Thursday 29

Waxing Gibbous 90%

14:51

05:41

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

Sun - Rise: 07:14, Set: 17:28, Transit: 12:21. Moon - Rise: 14:51, Set: 05:41. Civil Dark: 17:56 - 06:46. Nautical Dark: 18:27 - 06:14. Astro Dark: 18:59 - 05:43

Total Clouds (% Sky Obscured)

26
28
29
29
29
26
21
16
8
5
2
1
4
7
12
11
13
25
29
24
18
14
15
25

Low Clouds (% Sky Obscured)

26
20
14
9
5
0
0
0
0
0
0
0
0
0
0
0
0
10
18
24
18
14
15
20

Medium Clouds (% Sky Obscured)

2
13
25
18
12
4
3
1
0
1
1
1
3
3
0
0
0
0
0
7
10
14
15
25

High Clouds (% Sky Obscured)

1
1
1
2
2
3
4
4
4
3
2
1
4
7
12
11
13
25
10
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
8
7
7
7
8
9
9
9
9
9
9
9
9
9
9
8
8
7
7
6

Fog (%)

51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51

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
1
2
2
10
12
13

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)

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

Chance of Frost

Temperature (°C)

-5
-8
-11
-13
-14
-16
-17
-17
-17
-17
-18
-19
-20
-19
-18
-18
-15
-12
-9
-8
-6
-5
-4
-4

Feels Like (°C)

-11
-11
-10
-10
-17
-17
-17
-17
-18
-18
-20
-20
-20
-21
-21
-21
-20
-19
-19
-18
-17
-16
-8
-8

Dew Point (°C)

-8
-11
-13
-15
-16
-17
-19
-19
-19
-20
-20
-21
-22
-21
-20
-20
-17
-14
-11
-10
-9
-8
-7
-6

Relative Humidity (%)

79
82
85
86
86
85
84
84
83
82
82
81
82
82
82
82
84
85
85
83
82
79
81
82

Pressure (mb)

1024
1024
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1028
1027
1026
1025
1025
1024

Ozone (du)

369
373
377
380
379
378
376
373
369
366
364
363
361
361
361
361
360
359
357
354
351
348
349
349

Friday 30

Waxing Gibbous 96%

16:06

06:32

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:13, Set: 17:29, Transit: 12:22. Moon - Rise: 16:06, Set: 06:32. Civil Dark: 17:57 - 06:45. Nautical Dark: 18:28 - 06:14. Astro Dark: 19:00 - 05:43

Total Clouds (% Sky Obscured)

55
60
75
81
86
86
81
81
80
82
73
89
89
88
88
69
53
37
52
60
72

Low Clouds (% Sky Obscured)

0
0
0
7
15
22
19
17
15
33
50
64
48
34
19
13
6
0
20
40
62

Medium Clouds (% Sky Obscured)

55
60
75
81
84
75
70
55
45
43
56
71
77
80
86
69
53
37
40
28
25

High Clouds (% Sky Obscured)

0
6
13
9
5
1
0
0
0
0
0
0
0
0
0
0
0
5
15
15
15

ISS Passover

Visibility (miles)

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

Fog (%)

51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51
51

Precipitation Type

None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

12
12
10
9
7
4
21
28
33
39
45
51
58
63
68
72
75
78
77
75
71

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.3
0.3
0.4
0.4
0.4
0.4
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-11
-11
-11
-12
-13
-13
-11
-12
-12
-12
-12
-12
-10
-10
-10
-9
-9

Dew Point (°C)

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

Relative Humidity (%)

82
87
90
96
94
96
96
96
96
96
96
94
96
96
96
96
96
96
94
94
96

Pressure (mb)

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

Ozone (du)

350
349
347
345
347
348
350
351
352
354
354
355
356
357
358
359
363
366
370
369
368

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 24/01/26 16:04:59. Forecast: 24/01/26 to 30/01/26. Timezone: UTC-5.00