Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:45

07:09

17 Bad
18 Bad
19 Bad
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

Sun - Rise: 07:05, Set: 19:23, Transit: 13:13. Moon - Rise: 19:45, Set: 07:09. Civil Dark: 19:58 - 06:30. Nautical Dark: 20:39 - 05:49. Astro Dark: 21:23 - 05:05

Total Clouds (% Sky Obscured)

81
91
92
81
98
100
96
77
61
22
98
100
100
46
67
94
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

76
88
89
80
98
100
96
77
61
13
3
0
0
1
66
77
75
46
55
100
100
70
37
21

Medium Clouds (% Sky Obscured)

5
9
1
0
3
36
1
4
0
0
0
0
0
0
1
50
95
100
86
78
100
61
36
70

High Clouds (% Sky Obscured)

9
6
23
4
0
0
0
0
0
9
97
100
100
45
2
66
87
98
100
100
99
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
Very Light Rain
Very 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

Precipitation Probability (%)

5
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.02
0.01
0.01
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
67
72
76
80
84
86
86
86
87
87
88
87
86
88
87
81
75
70
67
64
60
59
58

Pressure (mb)

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

Ozone (du)

283
282
281
283
287
290
292
289
289
285
283
282
283
284
286
288
286
285
285
285
285
286
286
284

Tuesday 21

Full Moon 99%

19:57

08:24

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 Good
16 Good

Sun - Rise: 07:07, Set: 19:20, Transit: 13:12. Moon - Rise: 19:57, Set: 08:24. Civil Dark: 19:55 - 06:32. Nautical Dark: 20:37 - 05:50. Astro Dark: 21:20 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
91
77
66
16
2

Low Clouds (% Sky Obscured)

53
84
97
100
99
95
77
98
99
89
98
100
99
100
98
90
89
84
76
66
48
28
9
2

Medium Clouds (% Sky Obscured)

86
92
98
90
93
10
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
99
99
100
100
100
100
100
99
97
88
78
74
57
53
7
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
Very Light Rain
Very 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

Precipitation Probability (%)

0
3
7
12
11
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2

Precipitation Amount (mm)

0
0.01
0.06
0.09
0.07
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
62
68
72
77
83
88
90
92
94
94
94
95
96
96
94
89
85
80
76
69
67
65
65

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1025
1025

Ozone (du)

283
282
282
288
288
286
285
284
283
278
278
277
277
277
277
276
276
276
276
276
276
281
281
280

Wednesday 22

Waning Gibbous 96%

20:08

09:38

17 Good
18 Good
19 OK
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
16 Bad

Sun - Rise: 07:08, Set: 19:18, Transit: 13:12. Moon - Rise: 20:08, Set: 09:38. Civil Dark: 19:53 - 06:34. Nautical Dark: 20:34 - 05:52. Astro Dark: 21:17 - 05:09

Total Clouds (% Sky Obscured)

0
0
22
2
2
2
2
2
2
55
55
55
55
55
55
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
22
2
2
2
2
2
2
29
29
29
29
29
29
75
75
75
75
75
75
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
95
95
95

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
19
19
19
19
19
19
97
97
97
97
97
97
97
97
97

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
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0

Precipitation Amount (mm)

0
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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
11
11
12
12
12
12
11
11
11
11
10
10
10
10
10
11
12
12
11
12
12

Relative Humidity (%)

68
72
77
82
86
89
93
94
96
97
97
97
97
96
94
90
85
82
79
77
73
65
64
66

Pressure (mb)

1025
1024
1024
1024
1023
1023
1022
1022
1021
1020
1019
1018
1018
1017
1016
1016
1015
1015
1014
1013
1012
1012
1011
1010

Ozone (du)

279
279
279
277
277
278
279
280
281
279
279
278
277
277
280
282
283
283
281
281
282
282
282
282

Thursday 23

Waning Gibbous 91%

20:20

10:52

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
16 Bad

Sun - Rise: 07:10, Set: 19:15, Transit: 13:11. Moon - Rise: 20:20, Set: 10:52. Civil Dark: 19:50 - 06:35. Nautical Dark: 20:31 - 05:54. Astro Dark: 21:15 - 05:11

Total Clouds (% Sky Obscured)

100
100
100
95
95
95
95
95
95
92
92
92
92
92
92
93
93
93
93
93
93
99
99
99

Low Clouds (% Sky Obscured)

100
100
100
43
43
43
43
43
43
56
56
56
56
56
56
74
74
74
74
74
74
98
98
98

Medium Clouds (% Sky Obscured)

95
95
95
23
23
23
23
23
23
13
13
13
13
13
13
8
8
8
8
8
8
15
15
15

High Clouds (% Sky Obscured)

97
97
97
77
77
77
77
77
77
59
59
59
59
59
59
44
44
44
44
44
44
2
2
2

ISS Passover

Visibility (miles)

10
10
9
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
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
None

Precipitation Probability (%)

6
10
12
19
7
4
5
9
17
18
13
6
0
0
0
0
4
4
4
5
4
4
0
0

Precipitation Amount (mm)

0.02
0.06
0.07
0.14
0.04
0.01
0.02
0.05
0.15
0.21
0.12
0.02
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

16
16
16
16
16
16
17
18
18
17
17
16
16
15
14
12
13
13
14
15
15
14
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
83
83
88
91
92
93
95
95
94
93
94
94
95
91
86
82
77
73
67
63
65

Pressure (mb)

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

Ozone (du)

282
285
288
292
297
299
303
303
298
297
295
292
292
291
289
288
287
286
284
282
282
280
279
278

Friday 24

Waning Gibbous 84%

20:34

12:05

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
16 Bad

Sun - Rise: 07:12, Set: 19:13, Transit: 13:11. Moon - Rise: 20:34, Set: 12:05. Civil Dark: 19:48 - 06:37. Nautical Dark: 20:29 - 05:56. Astro Dark: 21:12 - 05:13

Total Clouds (% Sky Obscured)

99
99
99
96
96
96
96
96
96
97
97
97
97
97
97
99
99
99
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

98
98
98
92
92
92
92
92
92
97
97
97
97
97
97
98
98
98
98
98
98
98
98
98

Medium Clouds (% Sky Obscured)

15
15
15
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Precipitation Amount (mm)

0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.04
0.05
0.04
0.03
0.02
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
11
12
13
14
15
15
15
15
15

Relative Humidity (%)

68
72
75
77
79
82
86
88
89
93
95
98
97
96
95
96
95
94
96
94
88
84
82
82

Pressure (mb)

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

Ozone (du)

276
274
273
272
271
272
272
272
271
273
273
272
271
270
270
262
262
264
265
265
265
265
265
265

Saturday 25

Waning Gibbous 77%

20:50

13:18

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
16 Bad

Sun - Rise: 07:14, Set: 19:10, Transit: 13:11. Moon - Rise: 20:50, Set: 13:18. Civil Dark: 19:45 - 06:39. Nautical Dark: 20:26 - 05:58. Astro Dark: 21:09 - 05:15

Total Clouds (% Sky Obscured)

98
98
98
92
92
92
92
92
92
75
75
75
75
75
75
75
75
75
75
75
75
78
78
78

Low Clouds (% Sky Obscured)

98
98
98
73
73
73
73
73
73
43
43
43
43
43
43
63
63
63
63
63
63
73
73
73

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
88
90
91
94
97
98
99
100
100
100
100
99
98
97
95
92
90
87
82
78
77
78

Pressure (mb)

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

Ozone (du)

266
267
268
269
270
271
272
272
271
272
273
275
277
278
280
281
280
280
280
280
281
282
282
282

Sunday 26

Waning Gibbous 68%

21:12

14:28

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
16 Bad

Sun - Rise: 07:15, Set: 19:08, Transit: 13:10. Moon - Rise: 21:12, Set: 14:28. Civil Dark: 19:43 - 06:41. Nautical Dark: 20:24 - 06:00. Astro Dark: 21:06 - 05:17

Total Clouds (% Sky Obscured)

78
78
78
77
77
77
77
77
77
59
59
59
59
59
59
80
80
80
80
80
80
68
68
68

Low Clouds (% Sky Obscured)

73
73
73
21
21
21
21
21
21
28
28
28
28
28
28
22
22
22
22
22
22
43
43
43

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
12
12
12
12
12
12
6
6
6
6
6
6
34
34
34
34
34
34
5
5
5

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 (%)

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

Precipitation Amount (mm)

0.02
0.03
0.03
0.04
0.05
0.08
0.09
0.07
0.05
0.04
0.04
0.04
0.05
0.04
0.03
0.02
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
87
89
92
95
99
100
100
100
100
100
100
100
100
100
97
95
91
85
74
67
64
66

Pressure (mb)

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

Ozone (du)

282
281
281
281
281
281
281
281
281
282
282
282
282
280
279
277
278
279
280
281
281
280
280
280

Forecast for Altona-Altstadt, Hamburg, Germany (53.55,9.95)

Generated: 20/09/21 17:17:55. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+2.00