Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waning Gibbous 68%

21:53

14:07

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

Sun - Rise: 07:09, Set: 19:00, Transit: 13:04. Moon - Rise: 21:53, Set: 14:07. Civil Dark: 19:32 - 06:36. Nautical Dark: 20:11 - 05:58. Astro Dark: 20:50 - 05:19

Total Clouds (% Sky Obscured)

100
99
100
100
85
62
22
24
6
29
17
17
8
20
8
52
26
9
13
70
20
27
30
62

Low Clouds (% Sky Obscured)

83
57
98
98
13
6
1
16
6
17
15
10
4
13
2
37
10
6
4
10
8
9
1
3

Medium Clouds (% Sky Obscured)

99
99
99
100
85
60
22
14
2
24
7
13
7
18
8
34
25
5
11
14
9
25
22
18

High Clouds (% Sky Obscured)

26
2
52
8
0
0
0
0
0
0
0
0
1
0
0
0
0
2
2
64
11
0
14
58

ISS Passover

Visibility (miles)

3
5
5
4
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

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

Precipitation Probability (%)

82
81
75
72
66
50
10
5
6
6
6
5
5
4
3
3
4
4
0
0
0
0
0
0

Precipitation Amount (mm)

1.23
1.63
4.51
4.44
1.51
0.59
0.06
0.02
0.01
0.01
0.01
0.02
0.03
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

20
24
25
22
16
14
14
14
15
17
18
19
19
18
17
14
12
10
9
9
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
16
16
14
12
11
11
11
12
12
11
10
10
10
10
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

99
100
99
98
100
98
98
95
91
83
75
67
67
61
64
69
71
74
77
79
81
84
87
91

Pressure (mb)

1005
1003
1002
1003
1004
1005
1007
1008
1009
1010
1011
1012
1012
1013
1014
1014
1015
1016
1017
1018
1018
1018
1018
1018

Ozone (du)

278
280
281
281
284
292
298
299
302
307
310
304
302
302
301
300
301
301
298
297
298
297
298
298

Tuesday 28

Waning Gibbous 58%

22:34

15:08

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 OK
01 OK

Sun - Rise: 07:10, Set: 18:58, Transit: 13:04. Moon - Rise: 22:34, Set: 15:08. Civil Dark: 19:30 - 06:38. Nautical Dark: 20:08 - 06:00. Astro Dark: 20:48 - 05:20

Total Clouds (% Sky Obscured)

72
83
89
97
98
100
100
98
99
100
100
93
83
91
100
100
82
61
73
100
87
2
27
7

Low Clouds (% Sky Obscured)

1
0
3
13
11
13
21
24
74
56
80
52
23
23
18
2
6
1
1
100
0
1
16
5

Medium Clouds (% Sky Obscured)

30
27
27
76
70
98
99
94
98
100
100
92
70
23
86
89
79
45
67
100
84
2
20
4

High Clouds (% Sky Obscured)

69
80
87
95
95
98
98
89
84
100
100
14
42
88
100
100
20
40
35
38
37
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
8
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
Very Light Rain
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
10
15
15
18
41
46
29
41
53
57
52
38
37
34
45
55
59
51
30
31
22
14

Precipitation Amount (mm)

0
0
0.01
0.03
0.03
0.05
0.3
0.45
0.16
0.33
0.53
0.61
0.55
0.29
0.28
0.18
0.31
0.46
0.48
0.48
0.45
0.26
0.12
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
95
96
96
96
94
91
89
89
86
85
82
80
80
80
80
82
83
84
84
86
86
87

Pressure (mb)

1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1014
1014
1015

Ozone (du)

297
297
296
297
298
297
298
300
303
305
307
314
317
320
321
320
322
328
329
333
329
324
324
314

Wednesday 29

Third Quarter 48%

23:27

16:02

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

Sun - Rise: 07:12, Set: 18:55, Transit: 13:04. Moon - Rise: 23:27, Set: 16:02. Civil Dark: 19:28 - 06:39. Nautical Dark: 20:06 - 06:01. Astro Dark: 20:45 - 05:22

Total Clouds (% Sky Obscured)

23
2
16
34
30
69
69
58
22
24
23
28
28
28
28
28
28
99
99
99
99
99
99
97

Low Clouds (% Sky Obscured)

18
2
16
15
16
9
10
10
16
12
19
25
25
25
25
25
25
1
1
1
1
1
1
4

Medium Clouds (% Sky Obscured)

18
1
3
6
20
9
9
13
16
18
16
12
12
12
12
12
12
17
17
17
17
17
17
19

High Clouds (% Sky Obscured)

0
0
0
21
5
64
64
50
1
3
0
0
0
0
0
0
0
99
99
99
99
99
99
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
0
0
0
0
0
0
0
0
0
0
0
0
3
2
0
0
2
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
12
11
10
10
10
11
13
14
14
14
14
14
13
11
8
7
6
7
7
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
7
6
6
6
6
6
6
7
7
7
7
7
7
7
8

Relative Humidity (%)

90
92
93
95
95
93
90
85
76
66
59
54
52
51
54
59
65
70
74
79
82
83
85
90

Pressure (mb)

1017
1017
1018
1019
1020
1021
1022
1023
1024
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1027
1027
1026

Ozone (du)

312
311
310
308
307
305
304
304
304
303
302
301
300
300
300
299
298
296
295
295
297
296
295
295

Thursday 30

Waning Crescent 39%

00:29

16:46

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:14, Set: 18:53, Transit: 13:03. Moon - Rise: 00:29, Set: 16:46. Civil Dark: 19:26 - 06:41. Nautical Dark: 20:04 - 06:03. Astro Dark: 20:43 - 05:24

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

4
4
4
4
4
45
45
45
45
45
45
95
95
95
95
95
95
85
85
85
85
85
85
98

Medium Clouds (% Sky Obscured)

19
19
19
19
19
60
60
60
60
60
60
100
100
100
100
100
100
4
4
4
4
4
4
52

High Clouds (% Sky Obscured)

97
97
97
97
97
98
98
98
98
98
98
95
95
95
95
95
95
89
89
89
89
89
89
98

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
6
11
17
22
16
13
16
10
21
17
31
30
34
24
9
3
0
0
3
6

Precipitation Amount (mm)

0
0
0
0
0.02
0.04
0.05
0.11
0.07
0.04
0.06
0.09
0.29
0.22
0.5
0.42
0.37
0.26
0.06
0.01
0
0
0.01
0.03

Wind Speed/Direction (mph)

7
9
10
12
14
15
16
18
19
20
21
20
19
18
18
15
13
11
11
11
10
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
92
92
93
93
92
90
88
85
85
78
75
74
75
76
77
80
82
83
84
86
88
90

Pressure (mb)

1026
1026
1025
1024
1023
1023
1022
1022
1021
1021
1020
1019
1019
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1017

Ozone (du)

294
293
293
293
294
294
292
292
291
290
289
292
292
291
290
291
290
288
287
288
288
287
287
288

Friday 1

Waning Crescent 29%

01:41

17:21

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
17 Bad
18 Bad
19 OK
20 OK
21 OK
22 Good
23 Good
00 Good
01 OK

Sun - Rise: 07:15, Set: 18:51, Transit: 13:03. Moon - Rise: 01:41, Set: 17:21. Civil Dark: 19:23 - 06:43. Nautical Dark: 20:02 - 06:04. Astro Dark: 20:41 - 05:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
54
54
54
54
54
54
76
76
76
76
76
76
9
9
9
9
9
9
27

Low Clouds (% Sky Obscured)

98
98
98
98
98
17
17
17
17
17
17
62
62
62
62
62
62
7
7
7
7
7
7
9

Medium Clouds (% Sky Obscured)

52
52
52
52
52
48
48
48
48
48
48
56
56
56
56
56
56
4
4
4
4
4
4
3

High Clouds (% Sky Obscured)

98
98
98
98
98
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
21

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
6
4
3
3
6
15
34
24
14
17
11
9
18
24
29
28
28
20
7
0
0
0
4

Precipitation Amount (mm)

0.03
0.02
0.01
0.01
0.01
0.03
0.07
0.29
0.23
0.17
0.18
0.14
0.13
0.2
0.34
0.44
0.48
0.42
0.21
0.04
0
0
0
0.01

Wind Speed/Direction (mph)

9
9
9
9
9
9
10
12
14
16
19
20
20
18
17
16
16
16
15
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
97
97
95
93
91
89
86
82
78
73
71
70
70
71
72
73
73
74
75
76
78

Pressure (mb)

1016
1016
1016
1015
1015
1013
1013
1013
1012
1012
1011
1011
1010
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

288
289
292
294
296
303
304
304
306
308
309
309
311
312
314
316
318
321
324
328
331
332
332
332

Saturday 2

Waning Crescent 20%

No Rise

17:48

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

Sun - Rise: 07:17, Set: 18:49, Transit: 13:03. Moon - Rise: No Rise, Set: 17:48. Civil Dark: 19:21 - 06:44. Nautical Dark: 19:59 - 06:06. Astro Dark: 20:38 - 05:27

Total Clouds (% Sky Obscured)

27
27
27
27
27
21
21
21
21
21
21
36
36
36
36
36
36
99
99
99
99
99
99
98

Low Clouds (% Sky Obscured)

9
9
9
9
9
9
9
9
9
9
9
20
20
20
20
20
20
12
12
12
12
12
12
39

Medium Clouds (% Sky Obscured)

3
3
3
3
3
16
16
16
16
16
16
26
26
26
26
26
26
48
48
48
48
48
48
28

High Clouds (% Sky Obscured)

21
21
21
21
21
11
11
11
11
11
11
10
10
10
10
10
10
98
98
98
98
98
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
Very Light Rain
Light Rain
Light Rain
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
None
None
None
None

Precipitation Probability (%)

0
0
0
13
33
35
35
26
12
7
6
6
5
4
4
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.08
0.4
0.69
0.52
0.21
0.06
0.03
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
7
7
7
7
10
11
12
12
13
14
14
15
14
14
13
12
11
11
11
10
7
7

Dew Point (°C)

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

Relative Humidity (%)

80
82
85
87
87
87
88
87
85
79
73
66
62
59
59
62
66
69
71
72
74
76
77
79

Pressure (mb)

1009
1009
1009
1008
1008
1007
1007
1007
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006

Ozone (du)

330
328
327
327
328
329
329
329
328
326
324
321
319
318
317
317
319
319
317
313
309
305
301
297

Sunday 3

Waning Crescent 12%

02:57

18:10

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:18, Set: 18:47, Transit: 13:02. Moon - Rise: 02:57, Set: 18:10. Civil Dark: 19:19 - 06:46. Nautical Dark: 19:57 - 06:08. Astro Dark: 20:36 - 05:29

Total Clouds (% Sky Obscured)

98
98
98
98
98
89
89
89
89
89
89
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
39
39
39
39
6
6
6
6
6
6
23
23
23
23
23
23
100
100
100
100
100
100
1

Medium Clouds (% Sky Obscured)

28
28
28
28
28
35
35
35
35
35
35
98
98
98
98
98
98
95
95
95
95
95
95
100

High Clouds (% Sky Obscured)

98
98
98
98
98
86
86
86
86
86
86
100
100
100
100
100
100
100
100
100
100
100
100
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
7
3
1
1
0
0
0
0
3
6
9
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
Very Light Rain
Very Light Rain
Very 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
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
15
21
41
48
50
48
41
36
29
19
13
8
6
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.08
0.27
0.49
0.6
0.62
0.58
0.46
0.3
0.18
0.1
0.04
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
11
10
10
10
11
11
13
14
15
15
14
13
11
9
7
6
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
7
8
8
8
9
9
10
10
10
10
9
9
9
8
8
8
8
8
7
7
6
6

Relative Humidity (%)

81
83
85
85
83
83
84
85
83
80
76
72
70
71
71
72
74
76
78
80
81
83
84
86

Pressure (mb)

1006
1005
1004
1004
1004
1003
1002
1002
1002
1002
1001
1000
1000
999
999
999
999
1000
1001
1001
1001
1001
1001
1001

Ozone (du)

294
290
287
286
286
285
284
283
281
279
277
275
273
271
269
267
266
265
264
263
263
262
261
260

Welcome to Clear Outside

Forecast for FLO HQ, Exeter, Devon, UK (50.70,-3.52)

Generated: 27/09/21 02:07:35. Forecast: 27/09/21 to 03/10/21. Timezone: UTC+1.00