Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 21%

04:24

13:30

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

Sun - Rise: 08:33, Set: 17:11, Transit: 12:53. Moon - Rise: 04:24, Set: 13:30. Civil Dark: 17:48 - 07:56. Nautical Dark: 18:29 - 07:16. Astro Dark: 19:08 - 06:37

Total Clouds (% Sky Obscured)

19
19
8
9
9
6
6
0
0
1
1
1
2
61
94
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

15
13
6
9
9
6
6
0
0
1
1
1
2
2
35
100
100
100
100
100
100
100
100
89

Medium Clouds (% Sky Obscured)

11
10
4
1
2
2
0
0
0
0
0
0
0
0
3
29
66
3
4
5
19
81
90
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
60
91
66
4
0
0
0
0
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
34
100
100
100
100
100
100
23
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
4
0
0
0
0
0
5
4
3
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
68
69
71
74
78
83
87
89
90
91
93
94
95
95
94
93
95
96
94
90
87
81
75

Pressure (mb)

1041
1041
1042
1043
1044
1045
1045
1046
1046
1046
1047
1047
1047
1047
1047
1047
1047
1047
1048
1048
1048
1048
1047
1047

Ozone (du)

357
354
351
348
345
343
341
339
337
336
335
334
334
335
336
337
338
339
339
339
338
337
336
336

Monday 20

Waning Crescent 13%

05:37

14:06

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

Sun - Rise: 08:32, Set: 17:13, Transit: 12:53. Moon - Rise: 05:37, Set: 14:06. Civil Dark: 17:50 - 07:55. Nautical Dark: 18:31 - 07:15. Astro Dark: 19:10 - 06:36

Total Clouds (% Sky Obscured)

95
91
84
62
27
31
100
100
100
100
100
100
100
100
100
99
100
100
100
100
84
17
11
0

Low Clouds (% Sky Obscured)

76
30
11
5
3
25
100
100
100
100
100
100
100
100
100
99
100
100
100
100
84
16
1
0

Medium Clouds (% Sky Obscured)

86
88
82
60
25
8
14
17
23
13
5
51
46
20
13
13
8
3
2
0
0
2
11
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
23
100
100
100
100
100
100
100
100
100
97
100
100
100
52
2
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
2
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
0.01
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
3
3
3
2
2
2
2
2
2
2
2
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
72
76
80
82
83
85
85
86
88
89
89
89
90
90
90
90
89
87
82
76
72
71

Pressure (mb)

1046
1046
1046
1046
1046
1046
1045
1045
1045
1045
1044
1044
1044
1043
1043
1042
1042
1042
1042
1042
1042
1042
1041
1041

Ozone (du)

336
336
336
337
337
338
339
339
338
335
334
333
333
333
331
328
326
325
324
324
323
323
322
321

Tuesday 21

Waning Crescent 6%

06:44

14:51

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

Sun - Rise: 08:31, Set: 17:14, Transit: 12:54. Moon - Rise: 06:44, Set: 14:51. Civil Dark: 17:51 - 07:54. Nautical Dark: 18:32 - 07:14. Astro Dark: 19:11 - 06:35

Total Clouds (% Sky Obscured)

0
1
8
2
39
57
81
34
6
6
9
9
30
45
91
81
73
73
73
73
73
73
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
29
45
91
81
71
71
71
71
71
71
100
100

Medium Clouds (% Sky Obscured)

0
1
1
0
0
0
1
0
3
6
9
6
1
0
0
0
1
1
1
1
1
1
1
1

High Clouds (% Sky Obscured)

0
0
7
2
39
57
81
34
4
0
0
0
0
0
0
0
13
13
13
13
13
13
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

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
1
1
1
1
1
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
71
74
76
76
76
78
80
82
84
86
87
89
90
92
92
94
94
92
90
86
83
79

Pressure (mb)

1041
1040
1040
1040
1041
1040
1039
1039
1039
1038
1038
1038
1038
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1036

Ozone (du)

320
318
315
311
308
307
306
305
303
301
300
302
306
310
312
314
317
319
322
324
324
325
325
327

Wednesday 22

Waning Crescent 2%

07:42

No Set

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 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 08:30, Set: 17:16, Transit: 12:54. Moon - Rise: 07:42, Set: No Set. Civil Dark: 17:53 - 07:53. Nautical Dark: 18:33 - 07:13. Astro Dark: 19:12 - 06:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
38
38
38
38
38
38
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
38
38
38
38
38
38
100
100

Medium Clouds (% Sky Obscured)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
74
77
81
83
87
90
90
91
91
95
93
94
87
78
73
72
75
81
83
85
85
84

Pressure (mb)

1036
1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1033
1033
1032
1032
1032
1032
1032
1031
1031
1030
1030

Ozone (du)

329
331
332
332
332
333
332
332
330
327
325
325
326
326
324
321
318
315
313
311
308
305
303
302

Thursday 23

Waning Crescent 0%

08:30

15:44

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

Sun - Rise: 08:29, Set: 17:18, Transit: 12:54. Moon - Rise: 08:30, Set: 15:44. Civil Dark: 17:54 - 07:52. Nautical Dark: 18:35 - 07:12. Astro Dark: 19:14 - 06:33

Total Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
82
82
82
82
82
82
97
97

Low Clouds (% Sky Obscured)

100
100
100
100
0
0
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
0
56
56
56
56
56
56
34
34

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
81
81
81
81
81
81
96
96

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
2
0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0
0.01
0.01
0.01
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
6
6
6
5
5
4
4
4
4
3
3
3
3
3
3
3
4
4
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
82
83
83
84
85
87
88
90
90
90
83
71
65
61
59
60
60
58
58
60
60
63

Pressure (mb)

1029
1028
1028
1028
1027
1027
1027
1027
1027
1026
1026
1026
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1022
1022

Ozone (du)

302
300
297
292
289
288
288
288
285
282
280
281
283
285
286
287
288
290
292
295
298
301
303
301

Friday 24

New Moon 0%

09:07

16:45

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:28, Set: 17:19, Transit: 12:54. Moon - Rise: 09:07, Set: 16:45. Civil Dark: 17:56 - 07:51. Nautical Dark: 18:36 - 07:11. Astro Dark: 19:15 - 06:32

Total Clouds (% Sky Obscured)

97
97
97
97
62
62
62
62
62
62
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
11
11
11
11
11
11
100
100
100
100
100
100
100
100
100
100
100
100
99
99

Medium Clouds (% Sky Obscured)

34
34
34
34
28
28
28
28
28
28
56
56
56
56
56
56
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
96
96
96
50
50
50
50
50
50
91
91
91
91
91
91
98
98
98
98
98
98
96
96

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

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
4
4
3
2
2
1
0
0
0
1
2
3
4
4
3
2
1
1
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

66
68
70
74
77
79
80
83
87
89
91
93
95
91
89
85
87
92
95
96
97
94
91
87

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

298
294
291
289
286
284
282
281
280
280
281
284
287
289
292
295
297
298
298
299
301
304
305
306

Saturday 25

Waxing Crescent 3%

09:37

17:51

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
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 08:26, Set: 17:21, Transit: 12:55. Moon - Rise: 09:37, Set: 17:51. Civil Dark: 17:57 - 07:50. Nautical Dark: 18:38 - 07:10. Astro Dark: 19:17 - 06:31

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
46
46
46
46
46
46
60
60
60
60
60
60
100
100

Low Clouds (% Sky Obscured)

99
99
99
99
89
89
89
89
89
89
41
41
41
41
41
41
59
59
59
59
59
59
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
18
18
18
18
18
18
13
13
13
13
13
13
2
2
2
2
2
2
0
0

High Clouds (% Sky Obscured)

96
96
96
96
96
96
96
96
96
96
3
3
3
3
3
3
0
0
0
0
0
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

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

Precipitation Probability (%)

0
0
0
2
2
3
3
2
0
0
1
3
5
5
7
7
7
8
8
8
9
8
8
6

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.02
0.01
0.01
0
0
0.01
0.01
0.01
0.02
0.02
0.01
0.01
0.02
0.03
0.04
0.03
0.02
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
82
84
86
87
88
90
91
93
96
98
99
100
100
100
100
100
100
100
100
100
100
98

Pressure (mb)

1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

306
307
307
308
308
310
312
313
313
312
312
311
311
310
309
308
309
312
316
320
323
325
327
329

Forecast for De Brouckere, 1000 Brussels, Belgium (50.85,4.35)

Generated: 19/01/20 15:22:42. Forecast: 19/01/20 to 25/01/20. Timezone: UTC+1.00