Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

20:06

07:33

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

Sun - Rise: 07:28, Set: 19:45, Transit: 13:35. Moon - Rise: 20:06, Set: 07:33. Civil Dark: 20:18 - 06:54. Nautical Dark: 20:59 - 06:14. Astro Dark: 21:41 - 05:32

Total Clouds (% Sky Obscured)

100
98
100
91
88
22
1
0
1
9
11
99
98
15
40
77
93
13
77
93
100
100
100
100

Low Clouds (% Sky Obscured)

100
96
100
91
88
22
1
0
1
9
11
0
0
0
0
0
1
2
0
0
0
0
0
1

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)

77
65
61
0
0
0
0
0
0
0
0
99
98
15
40
77
93
11
77
93
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
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
9
9
9
9
8
8
8
8
8
8
7
7
7
7
7
7
7
8
9
9
9

Relative Humidity (%)

52
52
54
56
60
64
67
70
73
77
79
83
83
83
83
84
85
84
79
72
65
61
55
53

Pressure (mb)

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

Ozone (du)

287
286
286
287
287
289
289
292
291
288
286
285
285
286
287
287
285
283
283
283
283
284
284
284

Tuesday 21

Full Moon 99%

20:19

08:47

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 OK
14 OK

Sun - Rise: 07:29, Set: 19:42, Transit: 13:35. Moon - Rise: 20:19, Set: 08:47. Civil Dark: 20:16 - 06:56. Nautical Dark: 20:56 - 06:16. Astro Dark: 21:38 - 05:34

Total Clouds (% Sky Obscured)

99
100
88
88
95
90
85
90
90
93
94
96
98
98
96
97
93
94
95
86
79
56
42
31

Low Clouds (% Sky Obscured)

0
6
7
1
56
9
13
0
0
0
1
1
0
0
1
0
2
5
6
13
13
24
40
31

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)

99
100
87
88
90
89
83
90
90
93
94
96
98
98
96
97
93
94
95
84
76
41
4
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

53
54
56
59
63
67
70
73
76
80
82
83
84
85
85
86
87
85
81
74
70
65
61
60

Pressure (mb)

1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

284
285
285
283
282
280
280
280
279
279
277
275
274
273
272
271
272
272
272
272
272
272
272
274

Wednesday 22

Waning Gibbous 96%

20:32

10:00

15 Good
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 OK
01 Bad
02 Good
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: 07:31, Set: 19:40, Transit: 13:34. Moon - Rise: 20:32, Set: 10:00. Civil Dark: 20:14 - 06:58. Nautical Dark: 20:54 - 06:18. Astro Dark: 21:35 - 05:36

Total Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
4
41
48
5
41
69
55
89
98
98
98
98
98
98
98
93

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
3
14
6
4
13
18
42
34
29
42
42
42
42
42
42
52

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
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
31
45
1
31
62
23
84
96
96
96
96
96
96
96
86

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
2

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)

10
10
9
8
7
7
7
8
9
9
10
11
12
12
13
13
14
13
14
15
16
17
17
18

Chance of Frost

Temperature (°C)

19
19
18
17
17
16
15
15
14
14
13
13
13
13
14
14
14
14
14
15
16
16
17
17

Feels Like (°C)

19
19
18
17
17
16
15
15
14
14
13
13
13
13
14
14
14
14
14
15
16
16
17
17

Dew Point (°C)

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

Relative Humidity (%)

59
61
63
66
69
72
74
76
79
85
88
91
92
92
92
92
92
91
86
82
78
74
72
73

Pressure (mb)

1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1023
1021
1021
1020
1019
1019
1019
1018
1018
1018
1018
1017
1016
1017

Ozone (du)

274
274
274
275
275
274
273
273
273
274
273
271
270
269
271
274
274
275
275
274
274
274
274
274

Thursday 23

Waning Gibbous 91%

20:46

11:12

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

Sun - Rise: 07:33, Set: 19:38, Transit: 13:34. Moon - Rise: 20:46, Set: 11:12. Civil Dark: 20:11 - 06:59. Nautical Dark: 20:51 - 06:19. Astro Dark: 21:33 - 05:38

Total Clouds (% Sky Obscured)

93
93
93
93
93
11
11
11
11
11
11
38
38
38
38
38
38
26
26
26
26
26
26
73

Low Clouds (% Sky Obscured)

52
52
52
52
52
11
11
11
11
11
11
38
38
38
38
38
38
26
26
26
26
26
26
73

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

86
86
86
86
86
1
1
1
1
1
1
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
3
4
4
2
0
0
0
0
0
0
0
0
0
0
5
5
4
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
15
15
15
15
14
14
14
13
13
13
12
12
12
12
12
12
13
14
14
15
15
16

Feels Like (°C)

15
16
15
15
15
15
14
14
14
13
13
13
12
12
12
12
12
12
13
14
14
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

77
77
78
78
78
77
79
82
85
89
89
90
91
92
94
95
95
93
89
83
78
72
70
69

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015

Ozone (du)

276
277
279
280
281
278
279
279
280
279
279
281
282
281
280
280
280
279
278
278
277
276
276
274

Friday 24

Waning Gibbous 84%

21:01

12:23

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

Sun - Rise: 07:34, Set: 19:35, Transit: 13:34. Moon - Rise: 21:01, Set: 12:23. Civil Dark: 20:09 - 07:01. Nautical Dark: 20:49 - 06:21. Astro Dark: 21:30 - 05:40

Total Clouds (% Sky Obscured)

73
73
73
73
73
0
0
0
0
0
0
1
1
1
1
1
1
41
41
41
41
41
41
98

Low Clouds (% Sky Obscured)

73
73
73
73
73
0
0
0
0
0
0
1
1
1
1
1
1
2
2
2
2
2
2
77

Medium Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
41
41
41
41
41
41
92

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
8
5

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
2
3
3
2
2
0

Precipitation Amount (mm)

0
0
0
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

Wind Speed/Direction (mph)

14
14
13
13
12
13
13
14
14
14
14
13
13
12
12
13
13
13
13
14
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
67
68
72
76
81
85
86
87
90
94
97
98
99
99
99
98
97
95
93
92
88
86
82

Pressure (mb)

1015
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

273
272
271
271
270
267
267
267
267
267
266
269
269
268
267
266
266
267
267
268
270
271
272
272

Saturday 25

Waning Gibbous 77%

21:19

13:34

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

Sun - Rise: 07:36, Set: 19:33, Transit: 13:33. Moon - Rise: 21:19, Set: 13:34. Civil Dark: 20:07 - 07:03. Nautical Dark: 20:46 - 06:23. Astro Dark: 21:27 - 05:42

Total Clouds (% Sky Obscured)

98
98
98
98
98
39
39
39
39
39
39
5
5
5
5
5
5
23
23
23
23
23
23
19

Low Clouds (% Sky Obscured)

77
77
77
77
77
25
25
25
25
25
25
5
5
5
5
5
5
2
2
2
2
2
2
0

Medium Clouds (% Sky Obscured)

13
13
13
13
13
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
3

High Clouds (% Sky Obscured)

92
92
92
92
92
20
20
20
20
20
20
0
0
0
0
0
0
20
20
20
20
20
20
16

ISS Passover

Visibility (miles)

6
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
13
16
16
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.06
0.09
0.13
0.18

Wind Speed/Direction (mph)

13
13
12
12
12
12
12
12
12
12
12
12
12
11
11
12
13
14
14
13
13
13
13
13

Chance of Frost

Temperature (°C)

18
19
18
18
17
17
16
16
15
15
14
14
13
13
13
14
14
14
15
16
17
18
19
19

Feels Like (°C)

18
19
18
18
17
17
16
16
15
15
14
14
14
13
13
14
14
14
15
16
17
18
19
19

Dew Point (°C)

15
15
15
15
15
15
15
14
14
14
14
14
13
13
13
14
14
14
14
15
15
15
15
16

Relative Humidity (%)

81
80
82
84
88
89
90
92
94
97
99
100
100
100
100
100
99
97
94
91
87
82
81
80

Pressure (mb)

1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

272
272
272
271
270
269
269
269
270
271
272
274
275
276
278
279
281
282
282
281
281
282
283
283

Sunday 26

Waning Gibbous 68%

21:43

14:42

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

Sun - Rise: 07:38, Set: 19:31, Transit: 13:33. Moon - Rise: 21:43, Set: 14:42. Civil Dark: 20:04 - 07:04. Nautical Dark: 20:44 - 06:25. Astro Dark: 21:25 - 05:44

Total Clouds (% Sky Obscured)

19
19
19
19
19
84
84
84
84
84
84
5
5
5
5
5
5
96
96
96
96
96
96
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
9
9
9
9
9
9
2
2
2
2
2
2
20
20
20
20
20
20
75

Medium Clouds (% Sky Obscured)

3
3
3
3
3
2
2
2
2
2
2
4
4
4
4
4
4
17
17
17
17
17
17
89

High Clouds (% Sky Obscured)

16
16
16
16
16
83
83
83
83
83
83
0
0
0
0
0
0
95
95
95
95
95
95
95

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
Very Light Rain
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 (%)

27
30
32
15
8
5
3
3
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.27
0.38
0.42
0.29
0.13
0.04
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
7
4
4
5
5
6
7
8
8
7
7
7
7
7
7
7
7
7
7
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
14
14
14
14
13
13
13
13
13
13
13
13
12
12
12
13
13
13
13
13
13
13

Relative Humidity (%)

81
82
84
84
85
86
87
88
89
94
98
100
100
100
99
99
98
96
94
89
85
80
78
77

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

281
277
275
275
276
277
278
278
279
281
282
284
285
286
287
288
288
289
289
288
288
288
287
287

Forecast for The Hague, The Hague, NL (52.07,4.30)

Generated: 20/09/21 15:20:10. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+2.00