Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 19

Waxing Crescent 39%

10:59

23:41

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:49, Set: 16:35, Transit: 12:13. Moon - Rise: 10:59, Set: 23:41. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:51 - 06:33. Astro Dark: 18:30 - 05:55

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
99
98
95
94
92
84
91
95
95
89
65
82
84
91

Low Clouds (% Sky Obscured)

9
5
7
4
4
20
35
58
31
25
23
87
6
23
6
13
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
76
76
95
100
100
100
100
100
92
97
42
2
13
1
9
74
84
88
77
19
47
30
6

High Clouds (% Sky Obscured)

100
100
100
100
100
99
99
100
100
98
96
95
95
93
91
81
84
81
83
73
61
70
79
91

ISS Passover

Visibility (miles)

10
10
10
10
10
10
8
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
0
0
0
8
10
18
28
25
24
17
7
5
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.01
0.07
0.3
0.6
0.49
0.33
0.13
0.06
0.03
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-3
-3
-3
-3
-3
-4
-3
-3
-3
-3
-2
-2
-2
-2
-3
-3
-4
-4
-4
-4
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

85
84
84
83
82
83
85
87
87
89
89
88
88
87
86
85
84
83
82
83
82
80
79
80

Pressure (mb)

1019
1018
1017
1016
1015
1014
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

312
312
312
300
300
299
298
297
297
295
296
298
300
302
302
298
297
294
291
290
289
288
289
290

Wednesday 20

First Quarter 49%

11:15

00:47

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

Sun - Rise: 07:48, Set: 16:37, Transit: 12:13. Moon - Rise: 11:15, Set: 00:47. Civil Dark: 17:13 - 07:12. Nautical Dark: 17:53 - 06:32. Astro Dark: 18:31 - 05:54

Total Clouds (% Sky Obscured)

84
84
91
97
96
100
88
77
47
34
47
93
97
98
77
86
88
95
95
86
81
49
9
53

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
7
4
16

Medium Clouds (% Sky Obscured)

4
0
0
70
84
99
74
63
31
27
41
88
95
97
75
45
7
0
0
0
1
1
1
20

High Clouds (% Sky Obscured)

84
84
91
94
93
88
66
46
24
10
12
44
34
47
12
74
88
95
95
86
80
46
6
46

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
76
74
75
74
74
75
78
81
82
83
84
84
85
85
85
85
85
85
86
88
90
90
89

Pressure (mb)

1012
1012
1011
1011
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007

Ozone (du)

292
292
292
294
294
293
293
295
294
294
293
292
291
290
291
293
295
296
296
296
298
299
302
307

Thursday 21

Waxing Gibbous 58%

11:31

01:54

10 Bad
11 Bad
12 OK
13 Good
14 Good
15 Good
16 OK
17 Good
18 OK
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 OK
09 Bad

Sun - Rise: 07:47, Set: 16:38, Transit: 12:13. Moon - Rise: 11:31, Set: 01:54. Civil Dark: 17:14 - 07:11. Nautical Dark: 17:54 - 06:32. Astro Dark: 18:32 - 05:53

Total Clouds (% Sky Obscured)

75
67
42
20
6
7
23
1
20
98
97
99
99
98
95
84
84
84
84
84
84
46
46
46

Low Clouds (% Sky Obscured)

15
6
4
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

Medium Clouds (% Sky Obscured)

4
2
2
6
4
6
23
1
0
20
51
95
70
33
36
32
32
32
32
32
32
1
1
1

High Clouds (% Sky Obscured)

72
66
40
14
0
0
0
0
20
97
95
97
98
97
93
79
79
79
79
79
79
45
45
45

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
82
81
81
84
87
89
90
91
91
91
91
90
89
89
88
88
87
88
87
86
87

Pressure (mb)

1007
1007
1006
1005
1005
1005
1005
1005
1005
1005
1004
1004
1003
1003
1002
1001
1001
1000
999
998
997
998
998
998

Ozone (du)

308
309
308
315
319
321
318
316
318
313
313
310
310
312
311
309
307
307
308
308
309
311
315
316

Friday 22

Waxing Gibbous 68%

11:50

03:01

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

Sun - Rise: 07:46, Set: 16:40, Transit: 12:13. Moon - Rise: 11:50, Set: 03:01. Civil Dark: 17:16 - 07:10. Nautical Dark: 17:55 - 06:31. Astro Dark: 18:34 - 05:52

Total Clouds (% Sky Obscured)

46
46
46
98
98
98
98
98
98
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5

Medium Clouds (% Sky Obscured)

1
1
1
96
96
96
96
96
96
20
20
20
20
20
20
0
0
0
0
0
0
99
99
99

High Clouds (% Sky Obscured)

45
45
45
73
73
73
73
73
73
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

0
0
0
0
0
0
9
9
8
8
5
4
3
0
0
0
1
2
4
5
6
9
15
23

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.03
0.01
0.01
0.01
0.01
0.01
0
0
0
0.01
0.07
0.16
0.26
0.37
0.46
0.52
0.53

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
83
81
82
84
86
90
92
93
93
93
93
93
92
91
91
90
89
89
88
87
87
88

Pressure (mb)

998
998
998
998
998
999
999
1000
1000
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1003
1003

Ozone (du)

316
316
316
319
319
318
315
315
315
316
317
320
323
325
328
330
332
331
334
336
335
334
334
337

Saturday 23

Waxing Gibbous 76%

12:13

04:09

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:45, Set: 16:41, Transit: 12:14. Moon - Rise: 12:13, Set: 04:09. Civil Dark: 17:17 - 07:09. Nautical Dark: 17:57 - 06:30. Astro Dark: 18:35 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
51
51
51
51
51
51
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
5
5
6
6
6
6
6
6
1
1
1
1
1
1
0
0
0
0
0
0
61
61
61

Medium Clouds (% Sky Obscured)

99
99
99
100
100
100
100
100
100
0
0
0
0
0
0
100
100
100
100
100
100
55
55
55

High Clouds (% Sky Obscured)

100
100
100
98
98
98
98
98
98
50
50
50
50
50
50
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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

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

Precipitation Probability (%)

28
25
15
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
4
8

Precipitation Amount (mm)

0.45
0.24
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.01
0
0
0
0.02
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
84
82
83
86
91
92
93
94
94
94
94
93
92
91
90
88
86
85
85
85
87
89

Pressure (mb)

1003
1003
1003
1003
1003
1003
1003
1002
1002
1002
1002
1001
1001
1000
999
999
998
997
996
995
994
993
993
994

Ozone (du)

339
341
343
342
345
346
346
346
344
343
346
349
349
349
349
346
345
343
341
341
341
341
343
345

Sunday 24

Waxing Gibbous 84%

12:42

05:15

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
07 Bad
08 Bad
09 Bad

Sun - Rise: 07:44, Set: 16:43, Transit: 12:14. Moon - Rise: 12:42, Set: 05:15. Civil Dark: 17:19 - 07:08. Nautical Dark: 17:58 - 06:29. Astro Dark: 18:37 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
90
90
90
90
90
90
86
86
86
86
86
86
88
88
88
88
88
88
98
98
98

Low Clouds (% Sky Obscured)

61
61
61
27
27
27
27
27
27
31
31
31
31
31
31
84
84
84
84
84
84
88
88
88

Medium Clouds (% Sky Obscured)

55
55
55
0
0
0
0
0
0
0
0
0
0
0
0
21
21
21
21
21
21
85
85
85

High Clouds (% Sky Obscured)

100
100
100
86
86
86
86
86
86
83
83
83
83
83
83
0
0
0
0
0
0
87
87
87

ISS Passover

Visibility (miles)

0
1
5
8
10
10
10
10
10
10
10
10
10
10
10
10
10
3
0
3
10
10
10
10

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

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

Precipitation Probability (%)

15
21
23
24
18
12
0
12
11
14
11
8
5
3
0
0
4
12
21
22
21
17
12
8

Precipitation Amount (mm)

0.24
0.26
0.25
0.22
0.12
0.03
0
0.03
0.14
0.25
0.18
0.07
0.02
0.01
0
0
0.01
0.04
0.09
0.12
0.15
0.14
0.08
0.02

Wind Speed/Direction (mph)

5
7
9
10
9
8
7
7
8
8
9
9
9
9
10
10
11
13
14
14
15
15
16
17

Chance of Frost

Temperature (°C)

1
2
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

-1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
-0
-0
-0

Relative Humidity (%)

91
91
89
88
85
85
87
90
93
95
95
96
96
95
94
93
93
92
91
90
89
87
86
86

Pressure (mb)

994
994
994
994
994
994
994
994
994
994
995
995
995
996
996
996
996
995
996
996
997
998
998
999

Ozone (du)

347
349
352
354
357
361
364
367
370
373
376
378
380
382
383
384
383
382
382
385
389
393
396
399

Monday 25

Waxing Gibbous 91%

13:19

06:16

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
07 Good
08 Good
09 Good

Sun - Rise: 07:42, Set: 16:45, Transit: 12:14. Moon - Rise: 13:19, Set: 06:16. Civil Dark: 17:20 - 07:07. Nautical Dark: 18:00 - 06:28. Astro Dark: 18:38 - 05:50

Total Clouds (% Sky Obscured)

98
98
98
47
47
47
47
47
47
73
73
73
73
73
73
87
87
87
87
87
87
4
4
4

Low Clouds (% Sky Obscured)

88
88
88
47
47
47
47
47
47
3
3
3
3
3
3
1
1
1
1
1
1
2
2
2

Medium Clouds (% Sky Obscured)

85
85
85
0
0
0
0
0
0
45
45
45
45
45
45
81
81
81
81
81
81
2
2
2

High Clouds (% Sky Obscured)

87
87
87
0
0
0
0
0
0
63
63
63
63
63
63
80
80
80
80
80
80
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
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 (%)

8
0
0
0
0
0
0
0
0
2
0
0
0
0
0
2
0
0
0
0
0
2
0
0

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0.01
0
0
0
0
0
0.01
0
0
0
0
0
0.01
0
0

Wind Speed/Direction (mph)

17
18
18
18
16
14
13
11
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-5
-4
-4
-4
-4
-3
-3
-3
-4
-4
-4
-4
-4
-3
-3
-3
-4
-4
-4
-3

Dew Point (°C)

-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-0
0
-0
-0
-0
-0
-0
-1
-1
-1
-1
-1

Relative Humidity (%)

86
86
86
86
86
87
88
88
88
89
90
92
94
95
94
94
93
92
90
90
89
89
88
85

Pressure (mb)

1000
1001
1002
1003
1004
1004
1005
1006
1007
1007
1008
1008
1008
1008
1008
1009
1008
1009
1009
1009
1010
1011
1011
1012

Ozone (du)

401
402
402
403
403
402
402
402
401
399
396
392
388
382
376
371
368
367
363
357
350
344
342
341

Forecast for Praha 2, 120 00, Czech Republic (50.08,14.44)

Generated: 19/01/21 09:54:06. Forecast: 19/01/21 to 25/01/21. Timezone: UTC+1.00