Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Crescent 14%

09:25

21:13

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

Sun - Rise: 07:30, Set: 17:12, Transit: 12:21. Moon - Rise: 09:25, Set: 21:13. Civil Dark: 17:42 - 07:00. Nautical Dark: 18:16 - 06:26. Astro Dark: 18:49 - 05:53

Total Clouds (% Sky Obscured)

54
55
48
40
13
45
40
30
55
79
85
62
84
31
37
93
91
100
66
82
99
91
85
96

Low Clouds (% Sky Obscured)

54
19
35
37
13
3
3
3
3
3
6
14
17
0
0
0
0
19
17
17
27
29
33
13

Medium Clouds (% Sky Obscured)

24
16
12
0
0
0
0
0
0
0
0
0
0
1
2
46
44
12
29
21
17
17
32
38

High Clouds (% Sky Obscured)

0
0
0
1
0
45
33
30
55
79
72
19
56
2
10
75
13
100
17
32
92
65
85
96

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
67
70
70
71
65
59
54
51
51
52
54
58
66
72
73
73
73
74
73
71
73
73

Pressure (mb)

1001
1000
1000
1000
1000
1000
1001
1000
1001
1000
1000
1000
1000
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002

Ozone (du)

400
396
379
368
364
362
358
350
336
337
341
343
346
345
347
353
357
361
364
371
372
373
371
369

Friday 23

Waxing Crescent 23%

09:46

22:22

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:29, Set: 17:14, Transit: 12:22. Moon - Rise: 09:46, Set: 22:22. Civil Dark: 17:44 - 06:59. Nautical Dark: 18:17 - 06:26. Astro Dark: 18:51 - 05:52

Total Clouds (% Sky Obscured)

100
100
100
100
95
97
94
88
81
85
100
97
97
96
100
98
97
98
95
98
97
100
97
100

Low Clouds (% Sky Obscured)

31
26
3
16
26
44
49
54
65
56
51
59
75
94
86
69
38
41
66
80
69
74
68
79

Medium Clouds (% Sky Obscured)

29
28
48
52
38
95
94
88
30
45
100
97
63
95
97
89
88
94
79
87
86
84
80
88

High Clouds (% Sky Obscured)

100
100
100
100
13
4
4
0
0
0
0
0
0
0
62
71
50
33
58
84
73
100
81
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
7
8

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
2
2
2
3
3
5
10
61
59
60
75
72
63
58
59
59
46
79
82
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.6
0
0
0
0
0
0
0.3
0.2
0
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
9
11
12
13
14
13
13
13
12
12
11
11
11
11
11
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
74
75
75
73
68
60
58
58
59
64
66
72
73
76
77
76
73
73
76
75
86
88

Pressure (mb)

1002
1001
1001
1002
1002
1002
1002
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

368
369
369
371
373
371
367
365
367
363
357
353
352
352
348
347
347
344
342
340
339
341
341
340

Saturday 24

Waxing Crescent 33%

10:07

23:34

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:29, Set: 17:15, Transit: 12:22. Moon - Rise: 10:07, Set: 23:34. Civil Dark: 17:45 - 06:59. Nautical Dark: 18:19 - 06:25. Astro Dark: 18:52 - 05:52

Total Clouds (% Sky Obscured)

100
99
99
59
81
72
56
69
54
71
60
61
56
62
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
91
37
29
35
70
56
69
54
71
60
61
56
62
83
86
85
94
93
92
88
79
46
80

Medium Clouds (% Sky Obscured)

80
52
69
33
56
53
48
21
50
55
50
40
56
40
40
71
96
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
99
99
0
0
0
0
0
0
0
0
3
0
19
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

5
8
9
9
9
6
3
4
3
3
3
3
4
1
2
4
4
9
6
4
4
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain

Precipitation Probability (%)

86
95
95
69
70
72
80
72
74
76
78
82
95
95
95
95
95
95
95
95
95
79
75
90

Precipitation Amount (mm)

0.2
1.2
0.8
0.4
0.3
0.4
0.5
0.2
0.3
0.3
0.4
0.3
1.1
1.1
0.5
0.7
0.6
1
1.2
1.2
1
0
0.3
0.6

Wind Speed/Direction (mph)

8
6
7
6
7
8
8
9
10
12
11
11
10
13
11
8
9
7
8
6
5
3
4
3

Chance of Frost

Temperature (°C)

11
11
11
10
10
11
11
12
13
15
14
14
14
13
12
12
12
12
12
12
11
11
11
11

Feels Like (°C)

9
9
9
8
8
8
9
10
10
11
11
11
11
9
10
10
9
10
9
9
9
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

88
87
88
90
90
91
90
92
84
76
78
78
79
92
93
92
92
92
86
83
81
81
78
77

Pressure (mb)

1003
1002
1002
1002
1003
1003
1003
1004
1004
1004
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1005
1005
1005
1004

Ozone (du)

341
341
343
343
344
343
345
348
347
346
344
343
345
347
347
346
349
353
356
359
362
364
365
365

Sunday 25

Waxing Crescent 44%

10:30

00:48

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:28, Set: 17:16, Transit: 12:22. Moon - Rise: 10:30, Set: 00:48. Civil Dark: 17:46 - 06:58. Nautical Dark: 18:20 - 06:24. Astro Dark: 18:53 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
84
75
82
68
71

Low Clouds (% Sky Obscured)

65
85
80
74
65
69
50
29
66
35
22
19
17
19
21
35
10
6
0
1
4
6
10
3

Medium Clouds (% Sky Obscured)

100
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
94
72
70
80
43
35

High Clouds (% Sky Obscured)

100
100
100
100
89
100
100
100
100
100
100
100
100
100
100
49
75
35
30
30
30
30
30
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
5
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

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

Precipitation Probability (%)

95
95
95
95
94
80
72
76
69
53
59
50
50
57
45
40
41
40
24
39
28
12
17
21

Precipitation Amount (mm)

0.9
1.2
1.2
0.8
0.7
0.5
0.4
0.5
0.4
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
7
7
7
8
8
9
10
10
10
10
10
8
8
8
7
7
7
8
7
7

Dew Point (°C)

7
7
7
7
7
7
7
7
5
5
5
5
5
6
6
6
6
6
6
6
6
6
6
5

Relative Humidity (%)

78
84
84
82
81
82
81
77
67
66
60
60
63
67
71
73
76
80
81
82
84
85
87
87

Pressure (mb)

1004
1004
1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

366
368
369
373
378
381
380
383
386
393
396
411
419
427
426
431
435
439
437
438
440
445
451
458

Monday 26

First Quarter 56%

10:58

02:05

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

Sun - Rise: 07:27, Set: 17:17, Transit: 12:22. Moon - Rise: 10:58, Set: 02:05. Civil Dark: 17:47 - 06:57. Nautical Dark: 18:21 - 06:24. Astro Dark: 18:54 - 05:51

Total Clouds (% Sky Obscured)

53
30
19
7
56
58
26
64
66
26
21
25
27
18
9
0
21
16
12
17
18
28
36
42

Low Clouds (% Sky Obscured)

3
0
1
1
2
5
7
18
26
26
21
25
22
15
6
0
21
16
12
17
18
28
35
24

Medium Clouds (% Sky Obscured)

2
1
2
3
56
58
21
64
66
6
4
5
7
3
2
0
5
5
5
0
0
0
0
0

High Clouds (% Sky Obscured)

20
10
8
0
4
4
25
40
4
1
0
0
0
0
0
0
1
1
2
7
13
19
25
32

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
None
None
None
None
None
None
None

Precipitation Probability (%)

15
21
25
11
27
29
8
21
21
13
16
18
11
10
7
3
58
47
23
43
45
42
32
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
87
88
90
90
88
84
74
67
58
52
51
52
57
65
69
70
72
74
75
77
77
78
78

Pressure (mb)

1000
1000
1000
1000
1000
1001
1001
1001
1000
1000
1000
1000
1000
1000
1001
1002
1003
999
1000
1000
1000
1001
1001
1001

Ozone (du)

453
450
447
441
440
442
444
446
447
446
446
443
441
437
433
428
421
422
422
422
420
418
417
410

Tuesday 27

Waxing Gibbous 68%

11:32

No Set

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:26, Set: 17:19, Transit: 12:22. Moon - Rise: 11:32, Set: No Set. Civil Dark: 17:48 - 06:56. Nautical Dark: 18:22 - 06:23. Astro Dark: 18:55 - 05:50

Total Clouds (% Sky Obscured)

49
60
70
79
70
66
60
60
65
65
65
65
65
70
85
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
13
14
12
10
8
6
11
20
29
49
65
65
70
78
74
66
62
60
71
80
92
94
94

Medium Clouds (% Sky Obscured)

0
1
3
6
35
65
60
60
65
65
65
65
65
70
85
93
95
98
100
98
96
94
96
98

High Clouds (% Sky Obscured)

38
58
70
79
70
64
60
60
64
65
65
65
65
70
85
100
100
100
99
98
99
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

29
31
24
2
5
7
0
6
11
15
42
56
70
84
95
95
95
95
95
95
95
95
95
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.7
1.4
1.8
1.9
2
2
2.1
1
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
74
74
74
73
72
70
73
76
79
80
83
84
86
86
87
90
93
96
91
86
81
83

Pressure (mb)

1001
1001
1002
1002
1002
1002
1002
1003
1002
1002
1002
1001
1001
1000
999
999
999
998
998
997
997
996
996
995

Ozone (du)

403
397
388
380
371
367
362
358
354
351
347
344
342
340
340
341
342
344
346
348
354
359
365
374

Wednesday 28

Waxing Gibbous 78%

12:16

03:23

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 OK
17 OK
18 Good
19 OK
20 Bad
21 Bad
22 Bad
23 OK
00 Good

Sun - Rise: 07:25, Set: 17:20, Transit: 12:23. Moon - Rise: 12:16, Set: 03:23. Civil Dark: 17:50 - 06:56. Nautical Dark: 18:23 - 06:22. Astro Dark: 18:56 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
96
94
91
70
52
36
28
20
11
28
46
61
43
24
6

Low Clouds (% Sky Obscured)

93
92
90
88
75
62
49
50
50
51
41
31
22
18
16
11
18
21
24
16
8
0

Medium Clouds (% Sky Obscured)

100
96
92
88
76
63
51
58
64
71
47
24
0
0
0
0
1
2
2
2
2
2

High Clouds (% Sky Obscured)

100
100
100
100
96
92
88
66
44
22
15
7
2
4
2
0
11
21
32
21
12
3

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

Fog (%)

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

Precipitation Probability (%)

93
95
95
95
95
95
95
93
64
59
51
40
26
19
12
2
8
9
7
12
9
1

Precipitation Amount (mm)

0.5
0.7
0.8
0.5
1
0.7
1.3
0.9
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
84
84
84
80
76
74
71
67
65
65
66
66
69
73
77
77
77
78
78
78

Pressure (mb)

995
995
995
995
995
995
995
996
996
996
996
996
997
997
998
999
1000
1001
1001
1002
1002
1002

Ozone (du)

383
392
401
410
419
428
438
448
454
461
468
464
461
457
449
442
434
424
414
404
394
384

Forecast for Testaccio, Province of Rome, Italy (41.86,12.48)

Generated: 22/01/26 03:19:05. Forecast: 22/01/26 to 28/01/26. Timezone: UTC+1.00