Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Gibbous 99%

19:36

05:53

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

Sun - Rise: 06:58, Set: 19:16, Transit: 13:07. Moon - Rise: 19:36, Set: 05:53. Civil Dark: 19:48 - 06:25. Nautical Dark: 20:27 - 05:46. Astro Dark: 21:08 - 05:06

Total Clouds (% Sky Obscured)

23
2
0
0
0
0
0
0
0
0
1
17
16
16
16
14
44
4
0
2
74
100
98
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
17
16
16
16
14
44
4
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

1
2
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)

22
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
74
100
98
90

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
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
0
8
11
14
15
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.13
0.14
0.15
0.16

Wind Speed/Direction (mph)

7
7
7
6
6
6
6
7
7
8
8
9
10
10
10
11
10
10
9
7
7
8
8
8

Chance of Frost

Temperature (°C)

12
12
11
11
11
10
9
10
11
13
15
17
19
20
21
21
21
20
19
17
15
14
13
13

Feels Like (°C)

12
12
11
11
11
9
8
8
11
13
15
17
19
20
21
21
21
20
19
17
15
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

92
93
94
94
95
95
96
95
91
86
80
73
65
59
55
53
54
58
64
71
78
82
87
93

Pressure (mb)

1021
1021
1021
1021
1021
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1028
1028

Ozone (du)

309
314
316
316
316
316
314
308
307
307
306
304
302
304
303
300
297
295
294
296
294
294
294
293

Tuesday 21

Full Moon 100%

19:51

07:07

00 Bad
01 Bad
02 OK
03 Bad
04 OK
05 Bad
06 OK
07 Good
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

Sun - Rise: 06:59, Set: 19:13, Transit: 13:06. Moon - Rise: 19:51, Set: 07:07. Civil Dark: 19:46 - 06:27. Nautical Dark: 20:25 - 05:48. Astro Dark: 21:05 - 05:08

Total Clouds (% Sky Obscured)

40
98
25
81
38
59
36
13
93
96
95
94
95
95
96
100
100
99
98
99
99
98
91
76

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
15
66
100
98
76
80
72
93
91
72
36

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)

40
98
25
81
38
59
36
13
93
96
95
94
95
93
89
97
95
97
95
97
71
55
69
63

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
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 (%)

18
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)

0.16
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
7
7
6
6
6
6
5
5
5
5
4
4
3
3
4
4
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

12
12
11
11
10
10
9
9
10
12
14
16
18
19
20
21
21
20
19
17
16
15
14
13

Feels Like (°C)

12
12
11
11
10
8
8
7
8
12
14
16
18
19
20
21
21
20
19
17
16
15
14
13

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
96
97
98
97
97
94
88
80
74
68
65
61
60
61
65
70
74
79
84
86
92

Pressure (mb)

1028
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1031
1031
1030
1030
1030
1029
1029
1029
1029
1030
1030
1030
1030

Ozone (du)

293
289
289
288
288
288
287
284
284
283
283
281
280
277
277
277
277
276
276
274
274
274
274
274

Wednesday 22

Waning Gibbous 99%

20:05

08:20

00 Bad
01 OK
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 Good
21 Good
22 Bad
23 OK

Sun - Rise: 07:01, Set: 19:11, Transit: 13:06. Moon - Rise: 20:05, Set: 08:20. Civil Dark: 19:44 - 06:28. Nautical Dark: 20:22 - 05:50. Astro Dark: 21:02 - 05:10

Total Clouds (% Sky Obscured)

58
43
52
89
100
100
100
100
100
96
100
90
85
94
91
93
90
87
75
41
11
7
43
29

Low Clouds (% Sky Obscured)

14
16
44
62
100
100
100
100
100
96
100
90
85
94
91
93
90
87
75
41
11
7
34
8

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)

51
34
30
69
53
33
30
13
6
2
0
0
0
0
0
0
0
0
0
0
0
0
14
23

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
1
19
12
100
100
100
100
100
11
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)

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

Chance of Frost

Temperature (°C)

12
12
12
11
11
10
10
10
11
12
14
16
18
19
20
21
21
20
18
17
15
14
13
13

Feels Like (°C)

12
12
12
11
11
10
10
10
11
12
14
16
18
19
20
21
21
20
18
17
15
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

96
99
100
100
100
100
100
100
97
91
87
79
73
64
61
61
62
66
72
76
81
86
88
93

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1027
1026
1026
1026
1025
1026
1026
1026
1025

Ozone (du)

273
275
275
275
275
275
275
275
275
275
275
274
273
275
275
275
275
275
276
272
272
271
272
272

Thursday 23

Waning Gibbous 96%

20:20

09:31

00 Good
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
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 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 07:03, Set: 19:09, Transit: 13:06. Moon - Rise: 20:20, Set: 09:31. Civil Dark: 19:41 - 06:30. Nautical Dark: 20:20 - 05:51. Astro Dark: 21:00 - 05:11

Total Clouds (% Sky Obscured)

3
23
38
22
20
27
24
84
84
84
84
84
84
100
100
100
100
100
100
5
5
5
5
5

Low Clouds (% Sky Obscured)

3
23
38
22
20
27
24
84
84
84
84
84
84
100
100
100
100
100
100
5
5
5
5
5

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
27
27
27
27
27
27
0
0
0
0
0

High Clouds (% Sky Obscured)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
5
5
5
6
6
8
10
11
13
14
14
13
14
14
13
11
10
8
7
7
6

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
12
12
13
15
16
18
18
20
20
21
20
19
18
16
15
14
13
13

Feels Like (°C)

12
12
12
12
12
12
12
12
13
15
16
18
18
20
20
21
20
19
18
16
15
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

96
98
100
100
100
100
100
97
96
92
90
84
80
73
67
66
67
72
78
82
87
87
89
93

Pressure (mb)

1025
1024
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1021
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

273
275
277
276
275
275
275
278
278
277
276
275
274
273
274
275
275
275
275
275
275
275
274
275

Friday 24

Waning Gibbous 91%

20:37

10:41

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

Sun - Rise: 07:04, Set: 19:07, Transit: 13:05. Moon - Rise: 20:37, Set: 10:41. Civil Dark: 19:39 - 06:32. Nautical Dark: 20:18 - 05:53. Astro Dark: 20:57 - 05:13

Total Clouds (% Sky Obscured)

5
1
1
1
1
1
1
7
7
7
7
7
7
93
93
93
93
93
93
79
79
79
79
79

Low Clouds (% Sky Obscured)

5
1
1
1
1
1
1
7
7
7
7
7
7
93
93
93
93
93
93
78
78
78
78
78

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

Precipitation Amount (mm)

0
0
0
0
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

Wind Speed/Direction (mph)

5
6
5
5
5
5
5
3
3
5
6
7
8
9
9
10
11
10
9
9
8
7
7
7

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
11
10
11
13
16
17
19
20
21
21
21
20
19
17
16
15
15
15

Feels Like (°C)

12
12
12
12
12
11
11
10
11
13
16
17
19
20
21
21
21
20
19
17
16
15
15
15

Dew Point (°C)

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

Relative Humidity (%)

96
98
99
100
100
100
100
98
95
92
87
82
77
70
68
67
68
74
81
85
90
92
93
98

Pressure (mb)

1020
1019
1019
1018
1018
1018
1017
1018
1018
1018
1018
1018
1017
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

275
272
272
271
271
270
268
271
272
273
273
272
272
272
271
270
270
270
271
268
268
267
267
267

Saturday 25

Waning Gibbous 84%

20:57

11:51

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

Sun - Rise: 07:06, Set: 19:04, Transit: 13:05. Moon - Rise: 20:57, Set: 11:51. Civil Dark: 19:37 - 06:33. Nautical Dark: 20:15 - 05:55. Astro Dark: 20:55 - 05:15

Total Clouds (% Sky Obscured)

79
100
100
100
100
100
100
100
100
100
100
100
100
84
84
84
84
84
84
63
63
63
63
63

Low Clouds (% Sky Obscured)

78
100
100
100
100
100
100
100
100
100
100
100
100
84
84
84
84
84
84
6
6
6
6
6

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)

1
3
3
3
3
3
3
2
2
2
2
2
2
0
0
0
0
0
0
61
61
61
61
61

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
17
17
17
17
17
16
16
17
18
19
20
21
21
22
22
21
20
19
19
19
18
17
16

Dew Point (°C)

15
16
17
17
17
17
16
16
16
17
17
17
17
16
16
15
15
16
16
16
16
16
16
16

Relative Humidity (%)

100
100
100
100
100
99
98
97
96
93
89
85
79
72
68
68
70
76
81
85
89
92
93
98

Pressure (mb)

1014
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1014

Ozone (du)

266
267
267
266
266
266
267
268
268
268
268
269
271
272
274
275
276
277
278
279
279
279
278
278

Sunday 26

Waning Gibbous 76%

21:21

13:00

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

Sun - Rise: 07:07, Set: 19:02, Transit: 13:05. Moon - Rise: 21:21, Set: 13:00. Civil Dark: 19:35 - 06:35. Nautical Dark: 20:13 - 05:56. Astro Dark: 20:53 - 05:17

Total Clouds (% Sky Obscured)

63
96
96
96
96
96
96
97
97
97
97
97
97
63
63
63
63
63
63
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
27
27
27
27
27
27
97
97
97
97
97
97
18
18
18
18
18
18
94
94
94
94
94

Medium Clouds (% Sky Obscured)

0
31
31
31
31
31
31
45
45
45
45
45
45
34
34
34
34
34
34
27
27
27
27
27

High Clouds (% Sky Obscured)

61
95
95
95
95
95
95
2
2
2
2
2
2
38
38
38
38
38
38
99
99
99
99
99

ISS Passover

Visibility (miles)

10
10
10
8
5
7
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
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
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
7
19
32
38
42
43
37
25
16
8
3
0
0
0
0
0
0
0
3
8
13
11

Precipitation Amount (mm)

0
0
0.02
0.1
0.22
0.29
0.34
0.34
0.32
0.27
0.21
0.11
0.03
0
0
0
0
0
0
0
0.02
0.07
0.12
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

99
100
100
100
100
100
100
100
100
100
96
90
82
74
70
70
71
76
81
86
90
92
95
99

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1015
1015

Ozone (du)

277
276
275
274
273
274
275
276
275
273
272
272
273
274
275
276
277
278
279
281
282
283
284
285

Welcome to Clear Outside

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

Generated: 20/09/21 14:49:00. Forecast: 20/09/21 to 26/09/21. Timezone: UTC+1.00