Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Full Moon 100%

19:11

07:04

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

Sun - Rise: 06:40, Set: 18:52, Transit: 12:46. Moon - Rise: 19:11, Set: 07:04. Civil Dark: 19:20 - 06:12. Nautical Dark: 19:53 - 05:39. Astro Dark: 20:27 - 05:06

Total Clouds (% Sky Obscured)

0
2
7
84
82
92
61
16
8
5
5
94
99
94
87
6
0
11
32
34
9
39
47
55

Low Clouds (% Sky Obscured)

0
2
3
12
29
42
42
16
8
5
1
3
6
2
0
0
0
0
0
1
9
9
3
10

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
4
82
74
87
34
0
0
0
4
94
99
94
87
6
0
11
32
34
0
32
45
50

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
5
5
5
5
5
4
4
5
4
5
5
5
5
5
5
4
4
4
4
4
5
6

Chance of Frost

Temperature (°C)

19
20
21
22
23
23
22
21
19
17
16
16
15
15
14
14
13
12
12
12
11
12
13
15

Feels Like (°C)

19
20
21
22
23
23
22
21
19
17
16
16
15
15
14
14
13
12
12
12
11
12
13
15

Dew Point (°C)

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

Relative Humidity (%)

66
62
60
58
57
59
64
70
74
77
82
85
86
88
89
90
90
92
93
94
94
89
85
80

Pressure (mb)

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

Ozone (du)

273
274
274
275
276
276
275
275
275
277
278
277
277
277
277
278
278
278
278
280
280
280
280
280

Tuesday 21

Waning Gibbous 98%

19:33

08:08

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
09 Bad
10 Bad

Sun - Rise: 06:41, Set: 18:51, Transit: 12:45. Moon - Rise: 19:33, Set: 08:08. Civil Dark: 19:19 - 06:13. Nautical Dark: 19:51 - 05:40. Astro Dark: 20:25 - 05:07

Total Clouds (% Sky Obscured)

94
96
99
99
100
98
91
99
97
97
100
100
100
98
97
100
100
100
100
100
100
100
94
90

Low Clouds (% Sky Obscured)

7
18
97
93
98
98
91
76
35
42
89
99
99
79
61
99
100
100
100
100
100
100
94
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
38
0
0
0
0
0
0
2
20
20
21

High Clouds (% Sky Obscured)

93
95
86
95
85
21
2
97
95
95
98
99
97
94
93
93
98
99
97
99
96
18
6
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
8
8
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
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

Precipitation Probability (%)

0
0
0
0
0
2
3
3
0
0
0
3
4
4
6
8
8
7
7
8
12
13
10
9

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.02
0.01
0
0
0
0.01
0.02
0.03
0.06
0.08
0.07
0.06
0.06
0.09
0.14
0.16
0.14
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
68
64
63
65
70
73
77
81
84
86
88
90
92
94
95
94
94
94
93
92
91
91

Pressure (mb)

1029
1029
1029
1028
1028
1027
1027
1026
1026
1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022

Ozone (du)

280
280
280
280
280
280
280
280
280
279
279
279
279
279
280
279
280
280
281
281
282
282
282
282

Wednesday 22

Waning Gibbous 95%

19:54

09:12

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
09 Bad
10 Bad

Sun - Rise: 06:42, Set: 18:49, Transit: 12:45. Moon - Rise: 19:54, Set: 09:12. Civil Dark: 19:17 - 06:14. Nautical Dark: 19:50 - 05:42. Astro Dark: 20:23 - 05:08

Total Clouds (% Sky Obscured)

98
97
95
100
100
99
97
64
79
100
99
98
100
100
81
90
90
90
90
90
90
98
98
98

Low Clouds (% Sky Obscured)

35
40
31
14
56
7
5
24
74
100
98
98
100
100
67
87
87
87
87
87
87
89
89
89

Medium Clouds (% Sky Obscured)

48
2
0
0
3
1
1
2
3
0
1
2
0
8
28
35
35
35
35
35
35
3
3
3

High Clouds (% Sky Obscured)

97
95
94
100
99
99
96
53
16
39
58
52
92
82
36
21
21
21
21
21
21
76
76
76

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
10
10
7
5
5
6
7
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

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

Precipitation Probability (%)

9
9
11
11
8
7
8
12
19
10
14
18
25
29
34
6
7
8
18
43
46
49
57
55

Precipitation Amount (mm)

0.12
0.14
0.18
0.2
0.15
0.09
0.08
0.15
0.31
0.1
0.14
0.26
0.41
0.55
0.71
0.04
0.05
0.06
0.21
0.75
0.92
1.13
1.81
1.43

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
20
20
20
20
20
20
20
19
19
19
19
19
18
18
19
19
19
19
19
19
16
16
16

Relative Humidity (%)

93
94
94
86
79
79
83
87
89
89
90
90
89
89
90
91
92
93
95
96
99
96
99
96

Pressure (mb)

1021
1020
1020
1019
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1016
1016
1016

Ozone (du)

282
282
282
281
281
281
281
282
282
280
280
281
281
281
281
279
280
281
281
282
283
284
286
286

Thursday 23

Waning Gibbous 90%

20:17

10:15

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
09 Bad
10 Bad

Sun - Rise: 06:43, Set: 18:47, Transit: 12:45. Moon - Rise: 20:17, Set: 10:15. Civil Dark: 19:15 - 06:15. Nautical Dark: 19:48 - 05:43. Astro Dark: 20:21 - 05:09

Total Clouds (% Sky Obscured)

98
98
98
45
45
45
45
45
45
98
98
98
98
98
98
99
99
99
99
99
99
98
98
98

Low Clouds (% Sky Obscured)

89
89
89
26
26
26
26
26
26
98
98
98
98
98
98
99
99
99
99
99
99
84
84
84

Medium Clouds (% Sky Obscured)

3
3
3
33
33
33
33
33
33
7
7
7
7
7
7
19
19
19
19
19
19
48
48
48

High Clouds (% Sky Obscured)

76
76
76
8
8
8
8
8
8
8
8
8
8
8
8
84
84
84
84
84
84
96
96
96

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

Light Rain
Light Rain
Light Rain
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
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
Moderate Rain

Precipitation Probability (%)

53
47
47
57
32
32
32
25
16
19
19
21
22
23
22
10
8
6
7
8
9
14
33
38

Precipitation Amount (mm)

1.85
1.32
1.22
1
0.23
0.27
0.26
0.2
0.15
0.25
0.34
0.4
0.42
0.35
0.25
0.06
0.04
0.03
0.03
0.02
0.02
0.13
0.9
3.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
17
16
18
18
17
17
17
16
16
15
15
15
15
15
15
16
15
15
15
14
14
15
15

Relative Humidity (%)

94
93
89
92
93
93
93
92
90
89
87
91
93
94
95
94
95
96
96
96
95
93
91
86

Pressure (mb)

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

Ozone (du)

287
286
287
284
284
286
287
288
289
286
287
289
292
294
293
291
292
292
291
292
289
288
287
286

Friday 24

Waning Gibbous 83%

20:41

No Set

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 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:44, Set: 18:45, Transit: 12:44. Moon - Rise: 20:41, Set: No Set. Civil Dark: 19:13 - 06:17. Nautical Dark: 19:46 - 05:44. Astro Dark: 20:19 - 05:10

Total Clouds (% Sky Obscured)

98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
7
7
7
7
7
7
63
63
63

Low Clouds (% Sky Obscured)

84
84
84
71
71
71
71
71
71
98
98
98
98
98
98
7
7
7
7
7
7
63
63
63

Medium Clouds (% Sky Obscured)

48
48
48
37
37
37
37
37
37
96
96
96
96
96
96
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

96
96
96
99
99
99
99
99
99
98
98
98
98
98
98
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

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

Precipitation Probability (%)

32
26
23
17
15
19
23
26
19
10
8
10
12
16
20
13
9
3
0
0
4
5
3
0

Precipitation Amount (mm)

4.84
3.51
1.39
0.44
0.6
1.29
1.73
1.17
0.45
0.22
0.14
0.18
0.22
0.23
0.24
0.2
0.09
0.01
0
0
0.02
0.04
0.03
0

Wind Speed/Direction (mph)

8
8
7
8
8
8
6
5
4
4
3
3
2
2
3
3
2
2
2
2
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
79
69
70
75
80
88
91
95
95
97
99
100
100
100
100
100
100
100
98
95
91
84

Pressure (mb)

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

Ozone (du)

286
286
286
291
289
287
285
284
283
278
277
278
278
279
279
286
286
286
286
286
288
289
289
289

Saturday 25

Waning Gibbous 75%

21:08

11:17

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

Sun - Rise: 06:46, Set: 18:43, Transit: 12:44. Moon - Rise: 21:08, Set: 11:17. Civil Dark: 19:11 - 06:18. Nautical Dark: 19:44 - 05:45. Astro Dark: 20:17 - 05:12

Total Clouds (% Sky Obscured)

63
63
63
2
2
2
2
2
2
0
0
0
0
0
0
20
20
20
20
20
20
77
77
77

Low Clouds (% Sky Obscured)

63
63
63
2
2
2
2
2
2
0
0
0
0
0
0
1
1
1
1
1
1
75
75
75

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
13
13
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
20
20
20
20
20
20
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
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
5
5
5
5
5
4
4
3
3
4
4
4
4
3
3
3
3
3
3
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
69
61
57
59
65
73
79
85
89
93
95
98
99
100
100
100
100
100
100
100
100
97
91

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

289
290
290
291
291
290
290
291
293
294
295
296
297
297
296
296
296
296
297
300
304
307
309
310

Sunday 26

Waning Gibbous 66%

21:40

12:20

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

Sun - Rise: 06:47, Set: 18:42, Transit: 12:44. Moon - Rise: 21:40, Set: 12:20. Civil Dark: 19:10 - 06:19. Nautical Dark: 19:42 - 05:46. Astro Dark: 20:16 - 05:13

Total Clouds (% Sky Obscured)

77
77
77
33
33
33
33
33
33
1
1
1
1
1
1
59
59
59
59
59
59
1
1
1

Low Clouds (% Sky Obscured)

75
75
75
12
12
12
12
12
12
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

13
13
13
10
10
10
10
10
10
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1

High Clouds (% Sky Obscured)

1
1
1
21
21
21
21
21
21
0
0
0
0
0
0
59
59
59
59
59
59
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
4
11
34
56
53
28
13
11
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0.11
0.46
0.76
0.55
0.2
0.05
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
71
66
66
70
77
85
95
100
100
100
100
100
99
99
99
99
99
98
98
98
95
88

Pressure (mb)

1016
1015
1015
1014
1014
1013
1012
1013
1014
1014
1015
1015
1015
1015
1015
1014
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

310
309
308
307
308
310
311
311
311
312
313
314
316
318
320
321
320
318
318
318
320
322
323
325

Forecast for Pittsfield, Berkshire County, US (42.46,-73.30)

Generated: 20/09/21 11:06:13. Forecast: 20/09/21 to 26/09/21. Timezone: UTC-4.00