Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 6%

09:17

20:34

07 Bad
08 Bad
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:03, Set: 19:14, Transit: 13:09. Moon - Rise: 09:17, Set: 20:34. Civil Dark: 19:46 - 06:33. Nautical Dark: 20:24 - 05:54. Astro Dark: 21:04 - 05:15

Total Clouds (% Sky Obscured)

48
50
40
52
61
92
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
98
100

Low Clouds (% Sky Obscured)

27
30
28
18
16
23
13
3
100
100
100
100
100
100
100
100
100
100
100
100
100
98
92
98

Medium Clouds (% Sky Obscured)

42
43
31
48
56
91
98
100
100
95
100
95
97
96
98
100
99
100
99
38
15
9
11
0

High Clouds (% Sky Obscured)

0
0
0
0
25
2
7
16
98
100
91
80
88
87
96
84
90
22
11
0
0
2
63
80

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
7
8
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
0
0
2
3
4
4
4
5
6
8
9
10
15
19
21
23
24
24
23
22
21
19

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.04
0.06
0.09
0.11
0.2
0.32
0.37
0.39
0.4
0.4
0.38
0.35
0.3
0.24

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
11
13
14
15
16
16
16
16
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

7
11
13
14
15
16
16
16
16
15
15
15
15
15
15
14
14
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

91
86
81
78
77
76
75
76
77
80
81
82
83
84
86
88
89
90
90
90
90
91
92
92

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020

Ozone (du)

313
314
315
315
315
314
313
313
312
311
311
310
309
309
310
310
309
309
308
308
308
308
308
308

Saturday 23

Waxing Crescent 12%

10:24

21:00

07 Bad
08 Bad
09 Bad
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:05, Set: 19:11, Transit: 13:08. Moon - Rise: 10:24, Set: 21:00. Civil Dark: 19:44 - 06:34. Nautical Dark: 20:22 - 05:56. Astro Dark: 21:02 - 05:16

Total Clouds (% Sky Obscured)

100
88
78
45
65
56
52
75
84
97
99
99
95
100
100
97
98
98
47
47
94
98
100
98

Low Clouds (% Sky Obscured)

100
44
22
5
11
9
1
1
0
0
0
0
0
0
0
0
0
0
9
6
23
34
27
71

Medium Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
0
67
36
72
1
26
91
75
65
45
38
86
92
100
86

High Clouds (% Sky Obscured)

77
79
72
43
61
52
52
74
84
97
98
99
88
100
100
94
95
93
0
10
47
59
68
82

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
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
Very Light Rain
None

Precipitation Probability (%)

17
11
4
0
0
2
3
2
0
0
0
2
2
2
0
0
2
6
8
9
10
10
8
5

Precipitation Amount (mm)

0.18
0.09
0.02
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.04
0.05
0.05
0.03
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
11
11
11
11
11
11
11
12
12
12
12
12
13
13
13
13
13
13
13

Relative Humidity (%)

91
88
85
81
77
74
70
69
68
69
71
74
77
79
81
82
84
85
85
86
88
91
93
93

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1016
1016
1016
1016

Ozone (du)

307
307
307
307
307
306
306
306
306
306
305
305
305
305
306
306
305
305
305
308
311
313
313
311

Sunday 24

Waxing Crescent 19%

11:28

21:29

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:07, Set: 19:09, Transit: 13:08. Moon - Rise: 11:28, Set: 21:29. Civil Dark: 19:41 - 06:36. Nautical Dark: 20:20 - 05:58. Astro Dark: 20:59 - 05:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

59
78
70
95
97
90
90
87
52
89
81
95
99
99
99
99
99
99
36
36
36
36
36
36

High Clouds (% Sky Obscured)

87
95
99
99
98
98
98
95
92
95
91
91
97
97
97
97
97
97
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
6
9
11
13
17
20
23
26
29
30
32
33
32
32
31
30
30
29
26
23
21
21
21

Precipitation Amount (mm)

0.01
0.02
0.03
0.05
0.06
0.09
0.14
0.2
0.33
0.46
0.5
0.54
0.61
0.67
0.71
0.73
0.72
0.68
0.58
0.38
0.21
0.15
0.16
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
13
13

Relative Humidity (%)

93
93
92
91
89
86
85
85
87
89
90
91
92
93
94
95
95
94
94
94
94
94
94
94

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

309
309
310
310
310
310
310
309
308
308
309
311
312
314
315
317
319
320
322
323
324
324
326
327

Monday 25

Waxing Crescent 28%

12:30

22:01

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:08, Set: 19:07, Transit: 13:07. Moon - Rise: 12:30, Set: 22:01. Civil Dark: 19:39 - 06:37. Nautical Dark: 20:17 - 05:59. Astro Dark: 20:57 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
87
87
87
87
87
87

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
17
17
17
17
17
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
0
0
0
0
0
0

High Clouds (% Sky Obscured)

23
23
23
23
23
23
0
0
0
0
0
0
0
0
0
0
0
0
84
84
84
84
84
84

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

20
18
16
14
13
12
12
2
4
5
5
6
5
4
2
0
2
3
4
5
5
5
4
3

Precipitation Amount (mm)

0.2
0.16
0.11
0.08
0.07
0.07
0.07
0
0.02
0.03
0.03
0.02
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
94
92
90
87
85
77
75
75
77
81
84
86
87
88
89
88
87
86
87
88
89
89

Pressure (mb)

1017
1018
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020

Ozone (du)

328
330
331
332
332
332
331
329
327
326
324
323
323
323
323
323
323
324
323
322
321
319
318
317

Tuesday 26

Waxing Crescent 37%

13:29

22:37

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:10, Set: 19:05, Transit: 13:07. Moon - Rise: 13:29, Set: 22:37. Civil Dark: 19:37 - 06:39. Nautical Dark: 20:15 - 06:01. Astro Dark: 20:54 - 05:22

Total Clouds (% Sky Obscured)

68
68
68
68
68
68
99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

68
68
68
68
68
68
98
98
98
98
98
98
98
98
98
98
98
98
18
18
18
18
18
18

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
46
46
46
46
46
46
99
99
99
99
99
99
97
97
97
97
97
97

ISS Passover

Visibility (miles)

4
6
8
9
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9
9
9
9

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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
4
4
0
0
0
0
0
0
0
0
0
0
5
6
5
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
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
87
85
80
75
70
67
66
67
70
75
79
82
84
86
86
84
83
82
84
85
86
86

Pressure (mb)

1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

316
316
316
315
314
312
311
310
310
309
308
307
306
305
304
304
303
302
301
300
299
299
298
297

Wednesday 27

Waxing Crescent 47%

14:24

23:19

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:11, Set: 19:02, Transit: 13:07. Moon - Rise: 14:24, Set: 23:19. Civil Dark: 19:35 - 06:40. Nautical Dark: 20:13 - 06:02. Astro Dark: 20:52 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
95
95
95
95
95
58
58
58
58
58
58
14
14
14
14
14
14

Low Clouds (% Sky Obscured)

32
32
32
32
32
32
94
94
94
94
94
94
27
27
27
27
27
27
14
14
14
14
14
14

Medium Clouds (% Sky Obscured)

99
99
99
99
99
99
44
44
44
44
44
44
4
4
4
4
4
4
1
1
1
1
1
1

High Clouds (% Sky Obscured)

97
97
97
97
97
97
0
0
0
0
0
0
43
43
43
43
43
43
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
8
8
0
0
0
0
0
0
0
8
11
13
15
16
17
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
12
12
12
13

Relative Humidity (%)

86
85
83
82
80
77
75
73
72
72
73
76
79
82
86
89
90
89
88
86
86
87
88
90

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023

Ozone (du)

297
297
296
296
295
295
294
294
293
293
293
292
292
291
290
289
289
290
290
290
289
289
289
288

Thursday 28

First Quarter 56%

15:14

00:08

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
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

Sun - Rise: 07:13, Set: 19:00, Transit: 13:06. Moon - Rise: 15:14, Set: 00:08. Civil Dark: 19:33 - 06:42. Nautical Dark: 20:11 - 06:04. Astro Dark: 20:50 - 05:25

Total Clouds (% Sky Obscured)

96
96
96
96
96
96
100
100
100
100
100
100
100
100
100
100
100
100
10
10
10
10
10
10

Low Clouds (% Sky Obscured)

14
14
14
14
14
14
100
100
100
100
100
100
100
100
100
100
100
100
9
9
9
9
9
9

Medium Clouds (% Sky Obscured)

95
95
95
95
95
95
72
72
72
72
72
72
99
99
99
99
99
99
1
1
1
1
1
1

High Clouds (% Sky Obscured)

66
66
66
66
66
66
61
61
61
61
61
61
15
15
15
15
15
15
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

20
20
21
21
20
19
18
18
18
18
18
18
18
18
19
19
20
21
21
22
22
22
22
22

Precipitation Amount (mm)

0.08
0.09
0.09
0.11
0.17
0.28
0.4
0.51
0.61
0.7
0.74
0.76
0.76
0.79
0.79
0.71
0.5
0.27
0.18
0.19
0.27
0.37
0.54
0.75

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
89
88
86
84
82
81
81
82
83
84
86
88
92
94
94
94
92
91
91
92
92
92

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

288
289
289
290
290
290
289
289
288
288
287
287
288
288
289
290
291
291
292
291
290
290
292
294

Forecast for Plymouth, Plymouth, UK (50.38,-4.14)

Generated: 22/09/17 06:33:30. Forecast: 22/09/17 to 28/09/17. Timezone: UTC+1.00