Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 8%

09:01

20:02

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 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK

Sun - Rise: 07:29, Set: 17:08, Transit: 12:19. Moon - Rise: 09:01, Set: 20:02. Civil Dark: 17:39 - 06:59. Nautical Dark: 18:13 - 06:25. Astro Dark: 18:46 - 05:51

Total Clouds (% Sky Obscured)

81
85
97
100
100
100
89
93
93
77
100
73
98
79
22
23
29
24
33
39
43
39
41
46

Low Clouds (% Sky Obscured)

0
0
2
3
14
25
16
14
20
17
14
15
12
2
8
13
29
5
32
29
21
9
41
33

Medium Clouds (% Sky Obscured)

28
37
39
92
92
70
21
26
32
61
99
50
10
11
11
8
8
9
11
29
19
15
15
26

High Clouds (% Sky Obscured)

81
85
28
100
100
89
52
72
71
35
100
45
98
68
0
0
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
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
1
1
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
-0
-0
-1
-1
-1
-1
-1
-2
-2
-1
-2
-2
0
1
4
4
4
5
5
4
2
0
-1

Dew Point (°C)

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

Relative Humidity (%)

82
83
83
83
82
83
83
83
81
80
79
79
79
71
59
56
54
54
53
54
68
77
80
83

Pressure (mb)

1016
1016
1016
1015
1015
1014
1013
1012
1012
1011
1011
1010
1010
1010
1009
1008
1007
1006
1005
1004
1004
1005
1005
1006

Ozone (du)

418
412
408
407
405
400
399
401
399
401
401
405
402
401
401
401
400
399
393
390
387
387
386
386

Wednesday 21

Waxing Crescent 14%

09:23

20:02

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

Sun - Rise: 07:28, Set: 17:10, Transit: 12:19. Moon - Rise: 09:23, Set: 20:02. Civil Dark: 17:40 - 06:58. Nautical Dark: 18:14 - 06:24. Astro Dark: 18:47 - 05:51

Total Clouds (% Sky Obscured)

47
32
25
25
13
10
2
2
2
2
3
1
0
0
0
1
24
35
37
31
37
43
100
89

Low Clouds (% Sky Obscured)

3
3
3
3
3
7
2
2
2
2
3
1
0
0
0
0
13
20
19
16
15
18
27
24

Medium Clouds (% Sky Obscured)

43
32
14
14
10
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
11
100
65

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
2
2
0
26
23
2
46
56
51
33
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
3
3
3
2
2
3
4
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
84
84
84
84
83
83
83
83
84
83
76
68
66
64
62
62
62
69
78
82
85

Pressure (mb)

1006
1006
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1002
1002
1001
1001
1001
1001
1001
1002
1003
1003

Ozone (du)

386
386
385
386
386
387
388
391
396
401
406
403
401
396
387
376
364
354
350
345
344
339
340
346

Thursday 22

Waxing Crescent 23%

09:43

21:11

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 Bad
04 Bad
05 Bad
06 OK
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

Sun - Rise: 07:27, Set: 17:11, Transit: 12:19. Moon - Rise: 09:43, Set: 21:11. Civil Dark: 17:41 - 06:57. Nautical Dark: 18:15 - 06:23. Astro Dark: 18:48 - 05:50

Total Clouds (% Sky Obscured)

99
100
90
84
71
64
34
100
95
88
34
98
96
100
100
97
65
77
86
96
96
96
95
97

Low Clouds (% Sky Obscured)

31
25
16
15
15
10
0
0
2
5
7
3
37
55
55
55
60
67
79
90
88
87
87
87

Medium Clouds (% Sky Obscured)

34
50
37
43
18
18
3
7
4
4
2
30
85
29
66
94
65
77
86
95
93
95
95
97

High Clouds (% Sky Obscured)

97
97
48
44
25
18
26
100
95
88
21
98
92
62
4
0
1
21
35
53
46
39
33
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
4
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
16
20
27
59
80
95
95
95
54
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.7
1.9
1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
86
89
89
89
86
83
84
81
74
70
69
70
68
79
78
85
91
93
96
98
98
98

Pressure (mb)

1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1005
1004
1004
1004
1004
1004
1004
1004
1005

Ozone (du)

355
355
355
358
368
367
368
369
370
369
369
370
371
369
364
360
358
351
348
348
346
345
346
347

Friday 23

Waxing Crescent 33%

10:05

22:20

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:27, Set: 17:12, Transit: 12:19. Moon - Rise: 10:05, Set: 22:20. Civil Dark: 17:42 - 06:57. Nautical Dark: 18:16 - 06:23. Astro Dark: 18:49 - 05:50

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
89
80
74
71
69
69
77
88
93
96
98
100
100

Low Clouds (% Sky Obscured)

89
91
82
89
89
85
81
76
82
90
99
78
68
74
71
69
69
70
63
49
46
47
50
62

Medium Clouds (% Sky Obscured)

59
56
100
100
37
38
43
50
52
53
48
87
67
55
55
55
55
65
70
83
32
27
25
30

High Clouds (% Sky Obscured)

79
100
68
37
5
28
39
50
58
61
55
27
13
0
70
69
65
63
71
6
12
15
20
20

ISS Passover

Visibility (miles)

0
0
3
9
9
9
9
7
9
9
1
1
9
5
6
8
3
0
0
0
7
4
4
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
Very Light Rain
Very Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
None
None
Light Rain

Precipitation Probability (%)

41
29
42
49
47
55
63
66
70
71
70
56
52
58
80
95
95
95
95
95
54
39
35
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.4
0
0
0.2
0.5
1.1
0.8
1.2
3.3
1.3
0.3
0
0
0.6

Wind Speed/Direction (mph)

6
6
7
7
7
8
8
8
8
7
7
7
6
6
6
7
8
9
11
15
11
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
4
4
4
4
4
4
5
5
5
4
5
5
7
7
7
6
4
2
1
2

Relative Humidity (%)

98
100
98
94
94
93
91
93
93
96
98
100
96
93
91
91
98
98
100
98
96
85
80
85

Pressure (mb)

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

Ozone (du)

347
349
350
351
352
353
356
358
360
363
367
367
368
368
371
372
374
374
374
375
382
385
387
386

Saturday 24

Waxing Crescent 44%

10:28

23:31

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:26, Set: 17:13, Transit: 12:20. Moon - Rise: 10:28, Set: 23:31. Civil Dark: 17:43 - 06:56. Nautical Dark: 18:17 - 06:22. Astro Dark: 18:50 - 05:49

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
60
61
95
100
100
98
96
96
97
98
98
89
79
73
61
50
41
56

Low Clouds (% Sky Obscured)

81
100
83
67
49
43
32
26
17
9
20
81
82
81
74
64
60
59
61
63
61
50
41
41

Medium Clouds (% Sky Obscured)

25
25
36
100
100
100
19
24
28
99
100
98
96
96
97
98
98
75
50
26
16
8
1
17

High Clouds (% Sky Obscured)

20
15
10
15
24
100
34
34
90
100
100
98
96
96
97
98
98
82
65
47
32
16
2
23

ISS Passover

Visibility (miles)

3
8
9
3
9
9
9
9
9
9
9
9
7
5
4
5
7
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
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
64
42
21
4
4
10
28
61
72
79
82
79
64
48
33
12
14
12
6
10

Precipitation Amount (mm)

1
1.7
1.2
0.9
0.4
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
91
86
86
89
84
84
84
84
84
86
88
88
89
86
83
79
80
80
82
83
88
91

Pressure (mb)

1005
1006
1006
1006
1005
1005
1004
1004
1003
1002
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1002

Ozone (du)

384
387
390
390
393
395
395
400
404
416
424
432
437
442
447
446
446
445
448
451
454
448
441
434

Sunday 25

Waxing Crescent 56%

10:55

00:46

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
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 07:25, Set: 17:15, Transit: 12:20. Moon - Rise: 10:55, Set: 00:46. Civil Dark: 17:45 - 06:55. Nautical Dark: 18:18 - 06:21. Astro Dark: 18:51 - 05:48

Total Clouds (% Sky Obscured)

71
89
91
93
94
95
97
99
91
81
74
83
92
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

32
33
40
47
62
70
77
82
70
61
54
57
60
69
75
78
84
91
95
97
96
95
91
78

Medium Clouds (% Sky Obscured)

33
49
65
81
94
94
96
98
91
81
74
83
79
72
81
91
100
83
65
45
30
15
0
27

High Clouds (% Sky Obscured)

32
50
45
50
60
92
97
99
91
81
74
83
79
69
79
90
100
100
100
100
89
78
68
68

ISS Passover

Visibility (miles)

9
9
9
7
5
3
2
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
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

10
6
35
57
78
95
95
95
95
95
95
92
95
95
95
84
91
78
77
79
70
60
40
35

Precipitation Amount (mm)

0
0
0
0
0.2
0.5
1
0.9
0.9
1
0.7
0.5
0.6
1.5
0.8
0.5
0.9
0.5
0.5
0.5
0.4
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
86
88
91
93
94
94
98
96
98
98
98
98
98
98
100
100
98
100
98
100
98
96

Pressure (mb)

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

Ozone (du)

433
431
430
431
431
432
435
438
441
445
449
452
452
451
450
448
446
444
444
445
445
450
454
459

Monday 26

First Quarter 68%

11:29

02:03

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 Bad
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:24, Set: 17:16, Transit: 12:20. Moon - Rise: 11:29, Set: 02:03. Civil Dark: 17:46 - 06:54. Nautical Dark: 18:19 - 06:21. Astro Dark: 18:52 - 05:48

Total Clouds (% Sky Obscured)

100
100
74
47
21
26
33
27
46
65
80
72
66
60
68
79
93

Low Clouds (% Sky Obscured)

67
59
46
32
20
19
17
13
13
14
12
11
7
6
38
68
93

Medium Clouds (% Sky Obscured)

48
70
50
33
14
11
7
3
13
23
35
57
66
60
68
79
93

High Clouds (% Sky Obscured)

69
68
46
24
7
15
12
2
24
42
57
58
66
60
68
67
86

ISS Passover

Visibility (miles)

3
6
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4

Fog (%)

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

Precipitation Probability (%)

30
23
27
26
15
22
19
2
3
2
1
1
1
1
22
38
53

Precipitation Amount (mm)

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
3
3
4
4
4
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
94
94
93
94
92
92
91
89
89
86
86
86
86
88
93

Pressure (mb)

998
998
998
999
999
999
999
999
999
999
999
999
999
999
999
998
998

Ozone (du)

458
458
458
446
433
421
412
403
394
390
386
383
381
380
378
379
380

Forecast for Cervara di Roma, Province of Rome, Italy (41.99,13.07)

Generated: 20/01/26 19:15:04. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+1.00