Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 100%

19:44

07:09

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: 07:03, Set: 19:21, Transit: 13:11. Moon - Rise: 19:44, Set: 07:09. Civil Dark: 19:56 - 06:28. Nautical Dark: 20:39 - 05:46. Astro Dark: 21:23 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
100
98
73
90
90
95
98
98
99
100
99
100
99

Low Clouds (% Sky Obscured)

33
45
85
95
93
59
99
100
44
67
32
31
28
20
12
9
8
55
34
48
52
54
59
68

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
99
100
98
100
97
68
88
88
95
95
97
98
99
99
99
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
49
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
8
8
8
8
8
8
8
7
7
7
6
6
5
5
3
4
5
6
8
9
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
10
10
10
10
10
10
11
11
10
10
10
10
9
9
9
10
10
9
9
9
9

Relative Humidity (%)

67
69
70
71
72
73
75
77
80
84
84
84
84
84
84
84
82
80
77
74
70
68
68
68

Pressure (mb)

1026
1026
1026
1026
1026
1026
1027
1027
1028
1028
1028
1029
1028
1028
1028
1029
1029
1029
1029
1030
1029
1029
1029
1029

Ozone (du)

283
284
284
284
289
290
289
289
289
288
284
283
282
281
280
279
278
280
280
280
280
281
277
277

Tuesday 21

Full Moon 99%

19:55

08:26

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

Sun - Rise: 07:05, Set: 19:18, Transit: 13:10. Moon - Rise: 19:55, Set: 08:26. Civil Dark: 19:54 - 06:30. Nautical Dark: 20:36 - 05:48. Astro Dark: 21:20 - 05:03

Total Clouds (% Sky Obscured)

98
98
93
63
15
31
13
21
5
2
6
5
2
8
55
57
60
83
54
59
74
97
77
75

Low Clouds (% Sky Obscured)

52
45
3
4
2
3
13
21
5
2
6
5
2
8
55
57
60
83
54
59
74
97
59
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)

97
96
93
63
13
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
41
64

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
10
10
10
10
10
10
10
10
11
11
11
11
11
10
10
10
10
10
10
10
10
9
10

Relative Humidity (%)

69
69
71
73
74
74
74
75
76
80
83
83
84
83
83
82
80
79
77
74
71
69
67
65

Pressure (mb)

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

Ozone (du)

277
277
277
277
275
274
274
274
274
273
274
274
274
274
275
275
274
273
273
274
274
275
277
277

Wednesday 22

Waning Gibbous 96%

20:06

09:41

15 Bad
16 OK
17 OK
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: 07:07, Set: 19:16, Transit: 13:10. Moon - Rise: 20:06, Set: 09:41. Civil Dark: 19:51 - 06:32. Nautical Dark: 20:33 - 05:50. Astro Dark: 21:18 - 05:06

Total Clouds (% Sky Obscured)

88
30
31
100
75
100
100
98
90
100
100
100
94
92
88
88
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

7
1
6
11
23
100
99
95
81
100
100
100
20
41
39
38
100
100
100
100
100
100
98
98

Medium Clouds (% Sky Obscured)

31
30
29
100
27
96
100
47
9
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
0
0
16
61
32
73
63
44
40
48
88
92
87
81
81
82
82
82
82
82
82
76
76

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
7
7
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
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
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
3
10
20
20
10
9
7
7
8
7
0
4
0
0
0
0
3
4
8
6
5
0

Precipitation Amount (mm)

0
0
0.02
0.09
0.16
0.15
0.08
0.06
0.05
0.05
0.05
0.02
0
0.01
0
0
0
0
0.01
0.01
0.08
0.05
0.03
0

Wind Speed/Direction (mph)

17
17
17
17
18
18
17
16
16
15
14
14
15
16
17
18
21
22
23
23
23
22
20
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
65
67
71
73
74
75
76
77
82
83
84
84
84
83
82
80
79
77
76
72
69
66
66

Pressure (mb)

1023
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1017
1016
1016
1016
1015
1016
1016
1017
1016

Ozone (du)

276
277
276
278
278
279
280
279
279
279
282
282
282
282
283
283
283
283
283
283
283
283
279
278

Thursday 23

Waning Gibbous 91%

20:18

10:55

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

Sun - Rise: 07:09, Set: 19:13, Transit: 13:10. Moon - Rise: 20:18, Set: 10:55. Civil Dark: 19:49 - 06:33. Nautical Dark: 20:31 - 05:52. Astro Dark: 21:15 - 05:08

Total Clouds (% Sky Obscured)

99
99
99
99
38
38
38
38
38
38
38
38
38
38
38
38
32
32
32
32
32
32
98
98

Low Clouds (% Sky Obscured)

98
98
98
98
5
5
5
5
5
5
31
31
31
31
31
31
25
25
25
25
25
25
84
84

Medium Clouds (% Sky Obscured)

0
0
0
0
37
37
37
37
37
37
13
13
13
13
13
13
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

76
76
76
76
0
0
0
0
0
0
0
0
0
0
0
0
10
10
10
10
10
10
84
84

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

Precipitation Probability (%)

0
0
0
4
4
4
0
0
0
0
4
4
5
6
6
4
3
4
7
7
5
4
4
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
67
67
69
70
71
74
76
80
84
86
86
86
85
84
82
82
82
81
78
77
77
77

Pressure (mb)

1016
1016
1016
1016
1016
1016
1017
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

277
276
276
275
274
274
274
273
272
271
269
266
264
262
262
262
265
265
263
261
260
259
257
257

Friday 24

Waning Gibbous 84%

20:30

12:09

15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
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: 07:10, Set: 19:11, Transit: 13:09. Moon - Rise: 20:30, Set: 12:09. Civil Dark: 19:46 - 06:35. Nautical Dark: 20:28 - 05:53. Astro Dark: 21:12 - 05:10

Total Clouds (% Sky Obscured)

98
98
98
98
38
38
38
38
38
38
91
91
91
91
91
91
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
84
84
84
20
20
20
20
20
20
88
88
88
88
88
88
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
9
9
9
9
9
9
3
3
3
3
3
3
88
88

High Clouds (% Sky Obscured)

84
84
84
84
23
23
23
23
23
23
14
14
14
14
14
14
77
77
77
77
77
77
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
11
11
12
12
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

77
77
78
79
81
81
82
82
83
85
87
87
88
88
88
87
86
85
83
82
80
79
78
76

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

258
258
257
258
257
257
258
258
258
259
260
262
264
265
267
267
265
264
265
265
266
268
269
269

Saturday 25

Waning Gibbous 76%

20:46

13:23

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 OK
11 OK
12 OK
13 Bad
14 Bad

Sun - Rise: 07:12, Set: 19:08, Transit: 13:09. Moon - Rise: 20:46, Set: 13:23. Civil Dark: 19:44 - 06:37. Nautical Dark: 20:25 - 05:55. Astro Dark: 21:09 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
100
96
96
96
96
96
96
31
31
31
31
31
31
30
30
30
30
30
30
99
99

Low Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
31
31
31
31
31
31
30
30
30
30
30
30
91
91

Medium Clouds (% Sky Obscured)

88
88
88
88
13
13
13
13
13
13
1
1
1
1
1
1
0
0
0
0
0
0
18
18

High Clouds (% Sky Obscured)

0
0
0
0
16
16
16
16
16
16
0
0
0
0
0
0
0
0
0
0
0
0
94
94

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

Precipitation Probability (%)

0
0
3
4
4
4
5
7
7
7
8
9
10
13
28
41
42
34
22
12
8
6
4
3

Precipitation Amount (mm)

0
0
0.01
0.01
0.02
0.02
0.01
0.01
0.01
0.02
0.02
0.03
0.04
0.08
0.2
0.43
0.58
0.45
0.25
0.14
0.08
0.04
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
77
79
80
81
83
84
85
89
91
92
92
91
90
88
87
85
84
82
78
76
74
72

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

268
267
267
267
267
265
263
262
262
263
264
264
265
265
264
264
264
265
267
269
272
274
276
278

Sunday 26

Waning Gibbous 68%

21:07

14:33

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: 07:14, Set: 19:06, Transit: 13:09. Moon - Rise: 21:07, Set: 14:33. Civil Dark: 19:41 - 06:39. Nautical Dark: 20:23 - 05:57. Astro Dark: 21:06 - 05:14

Total Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98
97
97
97
97
97
97
19
19

Low Clouds (% Sky Obscured)

91
91
91
91
99
99
99
99
99
99
31
31
31
31
31
31
37
37
37
37
37
37
16
16

Medium Clouds (% Sky Obscured)

18
18
18
18
99
99
99
99
99
99
97
97
97
97
97
97
96
96
96
96
96
96
6
6

High Clouds (% Sky Obscured)

94
94
94
94
93
93
93
93
93
93
93
93
93
93
93
93
68
68
68
68
68
68
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
3
3
4
9
12
15
17
18
17
18
20
20
19
14
10
14
23
25
24
23
15
8
6

Precipitation Amount (mm)

0
0.01
0.01
0.03
0.07
0.09
0.11
0.13
0.14
0.14
0.14
0.13
0.11
0.1
0.07
0.06
0.13
0.62
1.9
2.77
1.75
0.45
0.05
0.03

Wind Speed/Direction (mph)

19
18
18
17
18
18
19
19
19
19
18
15
12
9
8
7
7
7
8
9
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
13
13
12
12
12
12
12
12
11
10
8
8
8
8
8
10
11
11
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

72
72
72
74
76
78
80
82
84
89
93
94
93
92
92
91
89
87
85
81
76
74
73
73

Pressure (mb)

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

Ozone (du)

279
280
280
281
282
283
284
285
288
292
294
295
294
294
294
294
293
293
292
292
291
291
291
291

Forecast for Isle of Man (54.18,-4.63)

Generated: 20/09/21 15:59:17. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00