Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Full Moon 100%

19:21

07:14

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

Sun - Rise: 06:50, Set: 19:02, Transit: 12:55. Moon - Rise: 19:21, Set: 07:14. Civil Dark: 19:30 - 06:22. Nautical Dark: 20:02 - 05:49. Astro Dark: 20:36 - 05:16

Total Clouds (% Sky Obscured)

2
34
45
46
93
95
88
71
0
27
3
0
1
92
90
73
77
52
79
88
98
95
97
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
2
5
4
6
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)

2
34
45
46
93
95
88
71
0
27
3
0
0
92
90
73
77
52
79
87
98
95
96
88

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)

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

Chance of Frost

Temperature (°C)

13
16
19
20
22
23
23
23
23
21
19
17
16
16
16
15
14
13
13
12
12
12
12
12

Feels Like (°C)

13
16
19
20
22
23
23
23
23
21
19
17
16
16
16
15
14
13
13
12
12
12
12
12

Dew Point (°C)

9
11
12
13
13
13
13
14
14
14
14
13
13
14
14
14
14
13
13
12
12
12
11
11

Relative Humidity (%)

81
73
66
62
59
56
54
55
59
64
71
77
82
87
90
93
95
98
97
97
98
99
98
93

Pressure (mb)

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

Ozone (du)

277
277
278
278
278
279
279
279
278
278
278
280
280
280
280
281
281
280
280
280
280
280
280
281

Tuesday 21

Waning Gibbous 98%

19:43

08:18

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
07 Bad
08 Bad

Sun - Rise: 06:51, Set: 19:00, Transit: 12:55. Moon - Rise: 19:43, Set: 08:18. Civil Dark: 19:28 - 06:23. Nautical Dark: 20:00 - 05:50. Astro Dark: 20:34 - 05:17

Total Clouds (% Sky Obscured)

41
88
96
96
99
99
100
98
99
100
100
99
98
97
98
99
97
99
100
98
82
73
91
91

Low Clouds (% Sky Obscured)

6
51
68
66
73
32
39
60
79
83
38
13
0
2
3
34
67
59
56
66
66
66
77
84

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
6
54
93
68
27
25
50
12

High Clouds (% Sky Obscured)

38
76
88
90
97
99
100
95
96
100
100
98
98
97
98
98
95
99
100
97
71
58
64
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

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
4
6
7
7
8
7
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
83
78
74
68
63
62
65
70
73
77
83
87
90
93
95
97
99
99
99
98
97
96
93

Pressure (mb)

1028
1028
1028
1028
1027
1026
1026
1025
1025
1025
1024
1025
1024
1024
1024
1023
1022
1022
1022
1021
1021
1020
1020
1020

Ozone (du)

282
282
281
281
281
281
281
281
282
283
283
282
282
283
283
283
282
284
284
284
284
285
285
287

Wednesday 22

Waning Gibbous 95%

20:04

No Set

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
07 Bad
08 Bad

Sun - Rise: 06:52, Set: 18:58, Transit: 12:55. Moon - Rise: 20:04, Set: No Set. Civil Dark: 19:26 - 06:24. Nautical Dark: 19:59 - 05:51. Astro Dark: 20:32 - 05:18

Total Clouds (% Sky Obscured)

100
85
100
100
99
100
99
99
77
78
91
100
100
100
100
100
100
97
97
97
97
97
97
87

Low Clouds (% Sky Obscured)

100
63
70
98
45
40
23
31
11
33
11
12
7
1
64
95
100
90
90
90
90
90
90
41

Medium Clouds (% Sky Obscured)

8
27
96
99
92
84
94
82
41
26
1
9
98
98
27
37
9
12
12
12
12
12
12
17

High Clouds (% Sky Obscured)

99
70
99
100
98
99
99
99
69
70
90
100
100
100
100
100
98
83
83
83
83
83
83
84

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

10
17
28
33
26
23
34
43
51
48
43
47
58
63
71
75
74
77
61
53
52
50
49
46

Precipitation Amount (mm)

0.05
0.12
0.21
0.28
0.35
0.21
0.35
0.62
0.77
0.59
0.33
0.43
0.57
0.86
1.61
1.62
1.28
1.34
0.67
0.72
0.9
1.48
2.69
3.38

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
20
21
23
24
23
23
22
22
21
21
20
20
19
18
18
18
18
18
18
18
17
16

Dew Point (°C)

17
18
18
18
19
19
18
18
19
19
19
19
19
19
18
18
18
18
18
18
17
17
16
15

Relative Humidity (%)

91
89
87
84
78
77
76
78
81
84
89
91
96
97
98
98
99
100
100
100
98
97
95
92

Pressure (mb)

1019
1019
1018
1017
1016
1016
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1014

Ozone (du)

287
287
287
286
287
286
286
286
286
287
287
286
286
286
287
288
290
287
289
292
293
294
295
297

Thursday 23

Waning Gibbous 89%

20:27

09:21

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
07 Bad
08 Bad

Sun - Rise: 06:53, Set: 18:57, Transit: 12:54. Moon - Rise: 20:27, Set: 09:21. Civil Dark: 19:24 - 06:25. Nautical Dark: 19:57 - 05:53. Astro Dark: 20:30 - 05:20

Total Clouds (% Sky Obscured)

87
87
87
87
87
91
91
91
91
91
91
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
41
41
41
41
12
12
12
12
12
12
92
92
92
92
92
92
96
96
96
96
96
96
99

Medium Clouds (% Sky Obscured)

17
17
17
17
17
31
31
31
31
31
31
71
71
71
71
71
71
98
98
98
98
98
98
100

High Clouds (% Sky Obscured)

84
84
84
84
84
88
88
88
88
88
88
99
99
99
99
99
99
100
100
100
100
100
100
96

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

46
36
26
13
7
5
3
2
0
0
0
3
2
0
0
6
14
39
39
35
34
34
31
25

Precipitation Amount (mm)

3.17
1.45
0.52
0.2
0.07
0.03
0.02
0.01
0
0
0
0.01
0.01
0
0
0.03
0.18
1.74
2.1
2.08
1.84
1.37
0.88
0.65

Wind Speed/Direction (mph)

9
9
10
10
10
10
10
10
9
9
9
9
6
6
6
6
6
6
6
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
90
85
81
76
68
66
68
72
77
81
84
85
91
97
98
100
100
100
100
100
100
100
100

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1014
1014
1014
1014
1014
1015
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1017

Ozone (du)

298
298
298
299
300
293
293
294
298
304
305
308
308
308
310
309
308
297
296
296
292
290
290
289

Friday 24

Waning Gibbous 83%

20:51

10:24

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

Sun - Rise: 06:54, Set: 18:55, Transit: 12:54. Moon - Rise: 20:51, Set: 10:24. Civil Dark: 19:22 - 06:26. Nautical Dark: 19:55 - 05:54. Astro Dark: 20:28 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
0
0
0
0
0
0
31
31
31
31
31
31
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

99
99
99
99
99
0
0
0
0
0
0
31
31
31
31
31
31
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
96
96
96
96
0
0
0
0
0
0
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

Very Light Rain
Very 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
None

Precipitation Probability (%)

19
13
12
6
5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
4

Precipitation Amount (mm)

0.35
0.16
0.12
0.09
0.05
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
89
85
81
78
67
66
67
71
79
85
91
92
95
98
100
100
100
100
100
99
99
98
96

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1018
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

289
289
290
289
289
290
289
287
286
285
285
286
286
287
287
287
286
286
286
286
286
287
288
289

Saturday 25

Waning Gibbous 75%

21:19

11:26

09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
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 OK

Sun - Rise: 06:55, Set: 18:53, Transit: 12:53. Moon - Rise: 21:19, Set: 11:26. Civil Dark: 19:21 - 06:27. Nautical Dark: 19:53 - 05:55. Astro Dark: 20:26 - 05:22

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
91
91
91
91
91
91
9
9
9
9
9
9
19

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
16
16
16
16
16
16
5
5
5
5
5
5
10

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
91
91
91
91
91
91
4
4
4
4
4
4
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
9

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 (%)

3
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)

0.01
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)

3
4
4
5
5
5
5
5
5
5
4
4
4
3
3
3
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
85
79
72
64
59
58
62
68
77
85
93
94
96
100
100
100
100
100
100
100
100
98
97

Pressure (mb)

1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1015
1015

Ozone (du)

290
290
290
291
293
295
296
298
300
300
301
301
302
303
305
307
309
311
312
312
312
313
314
315

Sunday 26

Waning Gibbous 66%

21:52

12:28

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

Sun - Rise: 06:56, Set: 18:51, Transit: 12:53. Moon - Rise: 21:52, Set: 12:28. Civil Dark: 19:19 - 06:28. Nautical Dark: 19:51 - 05:56. Astro Dark: 20:24 - 05:23

Total Clouds (% Sky Obscured)

19
19
19
19
19
84
84
84
84
84
84
1
1
1
1
1
1
9
9
9
9
9
9
0

Low Clouds (% Sky Obscured)

10
10
10
10
10
84
84
84
84
84
84
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
2
2
2
2
20
20
20
20
20
20
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
9
9
9
9
0
0
0
0
0
0
1
1
1
1
1
1
9
9
9
9
9
9
0

ISS Passover

Visibility (miles)

10
10
10
10
9
8
8
9
10
10
10
10
10
10
10
10
10
10
9
8
8
9
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
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
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 (%)

4
13
20
17
11
11
14
18
18
15
11
8
5
0
0
0
5
11
12
12
14
18
21
22

Precipitation Amount (mm)

0.03
0.1
0.19
0.23
0.24
0.24
0.23
0.21
0.18
0.13
0.07
0.04
0.01
0
0
0
0.01
0.03
0.05
0.05
0.07
0.12
0.2
0.24

Wind Speed/Direction (mph)

3
3
3
3
4
5
5
5
5
5
4
4
4
4
4
4
3
3
3
3
3
3
4
4

Chance of Frost

Temperature (°C)

11
13
14
16
18
19
18
17
16
15
14
13
12
11
10
10
9
9
9
9
8
8
8
8

Feels Like (°C)

11
13
14
16
18
19
18
17
16
15
14
13
12
11
10
9
9
9
9
9
8
7
7
8

Dew Point (°C)

11
12
13
14
13
13
13
12
12
12
11
10
10
9
9
9
9
9
9
9
8
8
8
8

Relative Humidity (%)

97
96
94
86
75
68
70
75
80
82
84
85
87
89
95
99
100
100
100
100
100
100
100
99

Pressure (mb)

1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

315
315
316
317
318
321
325
329
333
336
337
337
337
335
334
334
335
336
336
337
339
341
344
343

Forecast for Great Bend Township, PA, USA (41.98,-75.67)

Generated: 20/09/21 09:41:54. Forecast: 20/09/21 to 26/09/21. Timezone: UTC-4.00