Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 21%

04:22

13:31

15 OK
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
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: 17:13, Transit: 12:53. Moon - Rise: 04:22, Set: 13:31. Civil Dark: 17:49 - 07:55. Nautical Dark: 18:30 - 07:14. Astro Dark: 19:08 - 06:36

Total Clouds (% Sky Obscured)

21
29
20
31
16
6
6
9
5
3
3
12
27
84
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
20
17
24
12
6
6
9
5
3
3
12
27
84
94
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

6
20
13
13
11
1
0
0
0
0
0
0
0
0
0
0
0
9
10
2
0
3
71
83

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
88
81
70
2
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
2
56
76
76
75
75
2
1
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
4
5
4
3
0
0
0
0
0
2
3
3
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.01
0.01
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
73
74
76
78
80
84
86
87
89
90
91
98
100
100
99
98
98
97
92
87
83
79

Pressure (mb)

1040
1041
1042
1042
1043
1044
1045
1045
1046
1046
1046
1046
1047
1046
1047
1047
1047
1047
1047
1048
1048
1047
1047
1046

Ozone (du)

357
354
352
351
349
348
346
345
342
340
338
337
336
336
337
337
338
339
340
340
340
339
338
338

Monday 20

Waning Crescent 13%

05:35

14:08

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

Sun - Rise: 08:30, Set: 17:14, Transit: 12:53. Moon - Rise: 05:35, Set: 14:08. Civil Dark: 17:51 - 07:54. Nautical Dark: 18:31 - 07:14. Astro Dark: 19:10 - 06:35

Total Clouds (% Sky Obscured)

99
97
63
38
27
6
7
59
90
90
41
31
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

98
97
63
32
17
3
6
57
90
90
41
31
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

77
1
2
10
15
4
2
2
1
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
2
20
42
34
25
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
76
82
84
87
87
88
87
86
86
86
86
86
87
87
87
87
88
86
82
77
72
67

Pressure (mb)

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

Ozone (du)

337
337
337
337
337
337
338
339
340
341
342
342
342
342
340
337
334
332
331
329
329
328
328
328

Tuesday 21

Waning Crescent 6%

06:42

14:52

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

Sun - Rise: 08:29, Set: 17:16, Transit: 12:53. Moon - Rise: 06:42, Set: 14:52. Civil Dark: 17:52 - 07:53. Nautical Dark: 18:32 - 07:13. Astro Dark: 19:11 - 06:34

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
12
66
87
27
23
13
16
4
6
28
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
99
99
99
99
99
99
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
10
16
2
6
3
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
12
66
87
26
17
3
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
64
66
70
71
76
76
79
81
83
84
86
87
88
90
91
92
92
91
88
86
83
79
77

Pressure (mb)

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

Ozone (du)

327
326
324
322
319
317
314
311
309
307
305
303
302
302
304
308
311
313
314
316
318
320
321
322

Wednesday 22

Waning Crescent 2%

07:40

No Set

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

Sun - Rise: 08:28, Set: 17:17, Transit: 12:54. Moon - Rise: 07:40, Set: No Set. Civil Dark: 17:54 - 07:52. Nautical Dark: 18:34 - 07:12. Astro Dark: 19:12 - 06:33

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
34
34
34
34
34
34
2
2
2
2
2
2
3
3

Low Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
34
34
34
34
34
34
2
2
2
2
2
2
3
3

Medium 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

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
3

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
0.01

Wind Speed/Direction (mph)

8
7
7
7
6
7
7
7
7
7
7
7
7
6
6
6
7
7
7
8
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
75
76
78
80
83
84
87
89
91
93
91
90
82
71
65
63
64
71
75
80
83
83
84

Pressure (mb)

1035
1035
1035
1035
1035
1035
1035
1035
1035
1035
1034
1034
1033
1033
1032
1032
1031
1031
1031
1031
1031
1030
1030
1029

Ozone (du)

323
324
325
326
327
328
328
327
326
325
324
324
324
324
322
320
317
313
309
306
303
301
300
298

Thursday 23

Waning Crescent 0%

08:27

15:46

15 Good
16 Good
17 Good
18 Good
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: 08:27, Set: 17:19, Transit: 12:54. Moon - Rise: 08:27, Set: 15:46. Civil Dark: 17:55 - 07:51. Nautical Dark: 18:35 - 07:11. Astro Dark: 19:14 - 06:32

Total Clouds (% Sky Obscured)

3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
72
72
72
72
72
72
99
99

Low Clouds (% Sky Obscured)

3
3
3
3
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
71
71
71
71
71
71
93
93

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
18
18
18
18
18
99
99

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 (%)

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

Precipitation Amount (mm)

0.01
0.01
0.01
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
81
81
84
85
86
89
90
90
90
90
88
77
67
60
54
58
63
68
68
68
64
69

Pressure (mb)

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

Ozone (du)

298
297
296
295
295
296
297
297
294
291
288
285
283
282
283
285
286
288
290
291
293
295
296
299

Friday 24

New Moon 0%

09:05

16:47

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: 12:54. Moon - Rise: 09:05, Set: 16:47. Civil Dark: 17:57 - 07:50. Nautical Dark: 18:37 - 07:10. Astro Dark: 19:15 - 06:31

Total Clouds (% Sky Obscured)

99
99
99
99
73
73
73
73
73
73
97
97
97
97
97
97
100
100
100
100
100
100
90
90

Low Clouds (% Sky Obscured)

0
0
0
0
12
12
12
12
12
12
87
87
87
87
87
87
100
100
100
100
100
100
56
56

Medium Clouds (% Sky Obscured)

93
93
93
93
34
34
34
34
34
34
15
15
15
15
15
15
0
0
0
0
0
0
2
2

High Clouds (% Sky Obscured)

99
99
99
99
63
63
63
63
63
63
84
84
84
84
84
84
88
88
88
88
88
88
77
77

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
78
81
83
84
85
86
87
89
91
93
94
96
97
98
99
100
100
100
100
96
93
89

Pressure (mb)

1022
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1019
1019
1018
1018
1018
1018

Ozone (du)

302
303
301
298
295
293
290
288
286
285
285
286
288
291
294
297
299
301
303
305
307
308
310
311

Saturday 25

Waxing Crescent 3%

09:35

17:53

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: 08:25, Set: 17:22, Transit: 12:54. Moon - Rise: 09:35, Set: 17:53. Civil Dark: 17:58 - 07:49. Nautical Dark: 18:38 - 07:09. Astro Dark: 19:17 - 06:31

Total Clouds (% Sky Obscured)

90
90
90
90
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
95
95

Low Clouds (% Sky Obscured)

56
56
56
56
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
95
95

Medium Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
16
16
16
16
16
16
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

77
77
77
77
93
93
93
93
93
93
31
31
31
31
31
31
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
Very Light Rain
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0.01
0.02
0.03
0.04
0.03
0.03
0.03
0.04
0.07
0.09
0.07
0.03
0.02
0.02
0.02
0.03
0.03
0.03
0.02
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

10
9
9
9
10
10
10
10
10
10
10
9
9
9
9
10
10
11
11
12
12
13
14
14

Chance of Frost

Temperature (°C)

8
8
8
8
7
7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
83
84
89
91
92
94
95
97
98
99
100
100
100
100
100
100
100
100
100
100
100
99

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1018

Ozone (du)

312
313
314
315
315
315
314
314
314
315
315
315
314
313
311
309
309
312
317
321
323
323
324
326

Forecast for Charleroi, Hainaut, BE (50.41,4.44)

Generated: 19/01/20 15:30:25. Forecast: 19/01/20 to 25/01/20. Timezone: UTC+1.00