Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:44

07:08

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
15 Bad

Sun - Rise: 07:04, Set: 19:22, Transit: 13:12. Moon - Rise: 19:44, Set: 07:08. Civil Dark: 19:57 - 06:29. Nautical Dark: 20:38 - 05:48. Astro Dark: 21:22 - 05:04

Total Clouds (% Sky Obscured)

88
93
97
95
80
92
99
99
92
90
48
96
100
99
52
46
87
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

87
92
97
93
75
92
99
99
92
90
47
27
3
0
0
43
74
80
31
19
86
100
96
23

Medium Clouds (% Sky Obscured)

23
3
11
7
1
1
21
5
7
0
5
0
0
0
0
1
24
80
99
97
71
98
92
39

High Clouds (% Sky Obscured)

1
2
1
11
16
0
2
0
0
0
1
93
100
99
52
4
50
83
96
99
100
98
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

3
3
5
5
6
6
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)

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

Chance of Frost

Temperature (°C)

17
17
16
14
13
12
11
10
9
9
8
8
8
8
7
6
7
9
11
13
14
14
15
16

Feels Like (°C)

17
17
16
14
13
12
11
10
9
8
8
8
7
7
6
5
6
8
11
13
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

54
58
64
71
76
80
85
88
89
89
90
90
90
90
90
89
88
82
75
69
66
63
60
58

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1027
1026
1026
1026
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027

Ozone (du)

284
283
282
282
283
286
288
292
289
288
285
283
282
282
284
286
288
286
285
284
285
285
286
286

Tuesday 21

Full Moon 99%

19:56

08:23

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
15 OK

Sun - Rise: 07:06, Set: 19:19, Transit: 13:11. Moon - Rise: 19:56, Set: 08:23. Civil Dark: 19:54 - 06:31. Nautical Dark: 20:36 - 05:50. Astro Dark: 21:19 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
91
93
85
73
34

Low Clouds (% Sky Obscured)

36
14
60
79
100
98
97
79
96
98
100
100
100
99
99
98
96
92
80
66
67
60
40
14

Medium Clouds (% Sky Obscured)

52
88
73
89
92
100
30
24
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
98
100
100
99
99
99
99
100
100
100
100
100
100
96
85
71
78
63
54
24

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
3
5
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
16
15
14
13
13
12
12
11
11
11
10
10
9
9
9
11
13
15
16
18
19
19

Feels Like (°C)

16
17
16
15
14
13
13
12
12
11
11
11
10
9
8
8
8
11
13
15
16
18
19
19

Dew Point (°C)

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

Relative Humidity (%)

58
60
63
68
73
78
85
90
92
94
96
97
96
97
98
97
95
90
85
80
76
69
66
64

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026

Ozone (du)

284
283
282
282
289
288
287
285
285
283
278
278
277
277
277
277
276
277
276
276
276
276
281
281

Wednesday 22

Waning Gibbous 96%

20:07

09:37

16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
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

Sun - Rise: 07:08, Set: 19:17, Transit: 13:11. Moon - Rise: 20:07, Set: 09:37. Civil Dark: 19:52 - 06:33. Nautical Dark: 20:33 - 05:52. Astro Dark: 21:16 - 05:09

Total Clouds (% Sky Obscured)

8
1
0
3
2
2
2
2
2
2
56
56
56
56
56
56
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

8
1
0
3
2
2
2
2
2
2
20
20
20
20
20
20
79
79
79
79
79
79
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
96
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
94
94
94
94
94
94
98
98

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

Precipitation Amount (mm)

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
0.01
0
0

Wind Speed/Direction (mph)

8
8
7
6
6
6
7
7
8
8
8
8
8
9
10
10
10
11
13
14
15
15
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
13
13
12
12
12
12
12
12
12
12
11
11
11
10
10
10
10
11
11
12
12
12
12

Relative Humidity (%)

65
68
73
78
83
87
89
93
95
96
97
98
97
97
96
94
91
86
82
79
77
73
65
63

Pressure (mb)

1025
1025
1024
1024
1024
1023
1023
1023
1022
1021
1020
1019
1018
1018
1017
1016
1016
1015
1014
1014
1013
1012
1012
1011

Ozone (du)

280
280
280
280
277
277
278
278
279
280
279
280
279
277
277
280
282
283
283
282
282
282
282
282

Thursday 23

Waning Gibbous 91%

20:19

10:51

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
15 Bad

Sun - Rise: 07:09, Set: 19:14, Transit: 13:11. Moon - Rise: 20:19, Set: 10:51. Civil Dark: 19:49 - 06:35. Nautical Dark: 20:30 - 05:54. Astro Dark: 21:14 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
100
94
94
94
94
94
94
93
93
93
93
93
93
94
94
94
94
94
94
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
46
46
46
46
46
46
68
68
68
68
68
68
68
68
68
68
68
68
98
98

Medium Clouds (% Sky Obscured)

96
96
96
96
20
20
20
20
20
20
13
13
13
13
13
13
11
11
11
11
11
11
13
13

High Clouds (% Sky Obscured)

98
98
98
98
76
76
76
76
76
76
68
68
68
68
68
68
30
30
30
30
30
30
2
2

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

Precipitation Probability (%)

0
5
11
11
23
8
0
4
7
18
20
15
6
0
0
0
0
4
4
4
4
4
4
0

Precipitation Amount (mm)

0
0.02
0.07
0.07
0.17
0.05
0
0.01
0.03
0.15
0.25
0.16
0.03
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

17
17
16
16
16
17
17
17
18
18
17
17
17
16
15
15
13
13
14
15
15
15
14
15

Chance of Frost

Temperature (°C)

19
18
16
16
14
13
12
12
12
12
11
11
12
12
11
11
10
11
12
13
14
14
15
16

Feels Like (°C)

19
18
16
16
14
13
12
12
12
12
11
11
12
12
11
11
10
11
12
13
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

66
72
77
80
85
85
89
92
94
95
97
97
95
94
95
95
96
92
87
82
78
73
68
63

Pressure (mb)

1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1011
1011
1011
1012
1012
1012
1012
1011

Ozone (du)

282
282
285
287
291
296
299
303
303
298
297
295
292
291
290
289
288
287
286
285
283
282
281
279

Friday 24

Waning Gibbous 84%

20:33

12:04

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
15 Bad

Sun - Rise: 07:11, Set: 19:12, Transit: 13:10. Moon - Rise: 20:33, Set: 12:04. Civil Dark: 19:47 - 06:36. Nautical Dark: 20:28 - 05:55. Astro Dark: 21:11 - 05:13

Total Clouds (% Sky Obscured)

99
99
99
99
93
93
93
93
93
93
97
97
97
97
97
97
97
97
97
97
97
97
96
96

Low Clouds (% Sky Obscured)

98
98
98
98
90
90
90
90
90
90
95
95
95
95
95
95
96
96
96
96
96
96
95
95

Medium Clouds (% Sky Obscured)

13
13
13
13
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

14
13
12
11
11
10
10
10
10
10
8
8
8
8
8
8
9
9
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

17
17
16
15
14
13
13
13
12
12
10
10
10
10
9
9
11
13
14
15
16
17
18
18

Feels Like (°C)

17
17
16
15
14
13
13
13
12
12
10
8
8
8
7
7
11
13
14
15
16
17
18
18

Dew Point (°C)

10
11
11
10
10
10
10
10
10
10
9
9
9
9
9
9
11
12
13
15
15
15
15
15

Relative Humidity (%)

64
68
71
75
77
80
83
87
89
90
95
96
98
97
96
95
96
95
94
96
93
88
83
82

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1012
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

278
277
275
273
272
272
271
271
271
271
273
274
272
271
271
270
262
262
263
265
265
265
265
265

Saturday 25

Waning Gibbous 77%

20:50

13:17

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
15 Bad

Sun - Rise: 07:13, Set: 19:10, Transit: 13:10. Moon - Rise: 20:50, Set: 13:17. Civil Dark: 19:44 - 06:38. Nautical Dark: 20:25 - 05:57. Astro Dark: 21:08 - 05:15

Total Clouds (% Sky Obscured)

96
96
96
96
81
81
81
81
81
81
75
75
75
75
75
75
68
68
68
68
68
68
77
77

Low Clouds (% Sky Obscured)

95
95
95
95
69
69
69
69
69
69
48
48
48
48
48
48
46
46
46
46
46
46
65
65

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
18
17
16
16
15
15
15
15
15
15
15
15
15
15
16
17
17
18
20
20
21

Feels Like (°C)

19
19
19
18
17
16
16
16
15
15
15
15
15
15
15
15
15
16
17
18
19
20
21
21

Dew Point (°C)

16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
14
15
15
16
16
16
16
16

Relative Humidity (%)

82
83
85
88
91
92
95
98
99
100
100
100
100
100
100
99
97
96
92
89
87
81
76
75

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

265
266
267
268
269
271
272
272
272
272
272
274
276
277
279
280
280
280
280
280
280
281
282
282

Sunday 26

Waning Gibbous 68%

21:11

14:27

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
15 Bad

Sun - Rise: 07:15, Set: 19:07, Transit: 13:10. Moon - Rise: 21:11, Set: 14:27. Civil Dark: 19:42 - 06:40. Nautical Dark: 20:23 - 05:59. Astro Dark: 21:05 - 05:17

Total Clouds (% Sky Obscured)

77
77
77
77
73
73
73
73
73
73
67
67
67
67
67
67
80
80
80
80
80
80
81
81

Low Clouds (% Sky Obscured)

65
65
65
65
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
27
48
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
3
3

High Clouds (% Sky Obscured)

0
0
0
0
17
17
17
17
17
17
4
4
4
4
4
4
16
16
16
16
16
16
8
8

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

Precipitation Probability (%)

2
3
3
2
2
3
5
6
5
4
3
4
3
3
3
3
3
3
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.02
0.02
0.03
0.04
0.06
0.08
0.07
0.05
0.05
0.05
0.05
0.05
0.04
0.02
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
19
18
17
17
16
15
15
15
14
14
13
12
11
10
10
11
12
13
15
17
18
18

Feels Like (°C)

21
20
19
18
18
17
16
15
15
15
15
14
13
12
11
10
10
11
12
13
15
17
18
18

Dew Point (°C)

16
17
16
16
16
15
15
15
15
15
14
14
13
12
11
10
10
11
12
12
12
12
11
11

Relative Humidity (%)

77
79
84
86
89
92
96
100
100
100
100
100
100
100
100
100
100
97
96
91
85
73
66
63

Pressure (mb)

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

Ozone (du)

282
281
281
281
281
281
280
281
281
282
282
282
282
282
281
279
279
279
279
280
280
280
280
280

Forecast for Allermöhe, Hamburg, Germany (53.49,10.15)

Generated: 20/09/21 16:42:12. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+2.00