Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Full Moon 100%

19:10

07:01

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

Sun - Rise: 06:38, Set: 18:50, Transit: 12:44. Moon - Rise: 19:10, Set: 07:01. Civil Dark: 19:19 - 06:10. Nautical Dark: 19:52 - 05:36. Astro Dark: 20:26 - 05:02

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
6
71
58
12
5
3
5
54
97
98
99
96
90
66
41
10
7
22

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
2
59
5
12
5
3
4
5
5
6
28
5
1
2
1
1
6
13

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
4
28
56
0
0
0
2
52
97
98
98
96
90
66
41
10
1
10

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
10
0
0
0
0
0
6
1

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)

2
2
3
4
4
5
6
6
5
5
4
3
3
5
5
5
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
71
66
63
58
54
53
56
61
68
73
78
81
86
88
89
90
91
92
94
95
95
94
89

Pressure (mb)

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

Ozone (du)

276
276
276
276
276
277
277
278
278
278
278
280
280
280
280
280
280
280
280
280
280
279
279
279

Tuesday 21

Waning Gibbous 98%

19:31

08:06

09 OK
10 Good
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Good
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: 06:39, Set: 18:49, Transit: 12:43. Moon - Rise: 19:31, Set: 08:06. Civil Dark: 19:17 - 06:11. Nautical Dark: 19:50 - 05:37. Astro Dark: 20:24 - 05:04

Total Clouds (% Sky Obscured)

38
8
37
77
98
88
97
98
100
58
14
100
99
98
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
8
5
2
0
1
58
92
99
57
13
93
90
70
88
100
100
100
100
100
99
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
38
7
1
0
0
0
0

High Clouds (% Sky Obscured)

33
0
34
76
98
88
93
76
52
1
0
97
95
93
94
93
97
96
98
98
99
95
99
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
7
2
2
0
0
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
100
100
40
5
2
3

Precipitation Type

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

Precipitation Probability (%)

0
3
3
3
0
0
0
0
0
0
0
3
0
3
3
3
4
6
5
5
8
10
14
17

Precipitation Amount (mm)

0
0.01
0.01
0.01
0
0
0
0
0
0
0
0.01
0
0.01
0.01
0.01
0.02
0.05
0.04
0.05
0.08
0.14
0.24
0.32

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
79
73
69
64
61
60
63
70
73
78
84
86
89
92
94
97
99
100
100
100
100
99
97

Pressure (mb)

1030
1030
1030
1029
1029
1029
1028
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1024
1024
1023
1023
1023

Ozone (du)

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

Wednesday 22

Waning Gibbous 95%

19:52

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: 06:40, Set: 18:47, Transit: 12:43. Moon - Rise: 19:52, Set: No Set. Civil Dark: 19:15 - 06:12. Nautical Dark: 19:48 - 05:39. Astro Dark: 20:22 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
94
100
99
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
58
49
11
81
5
31
95
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

2
9
16
13
6
0
0
0
3
0
0
2
0
0
0
0
0
10
10
10
10
10
10
3

High Clouds (% Sky Obscured)

50
80
69
98
99
85
93
98
99
96
96
91
74
88
87
94
98
72
72
72
72
72
72
63

ISS Passover

Visibility (miles)

3
6
8
8
7
9
7
8
8
8
8
6
7
6
8
10
10
6
8
9
6
5
4
6

Fog (%)

8
2
0
0
0
0
0
0
0
0
0
2
96
99
7
48
95
96
96
96
96
96
96
96

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
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

Precipitation Probability (%)

16
10
11
10
14
10
20
15
14
13
16
13
9
10
12
18
27
8
8
10
13
30
41
45

Precipitation Amount (mm)

0.26
0.12
0.15
0.16
0.3
0.21
0.35
0.21
0.18
0.12
0.14
0.11
0.08
0.1
0.09
0.19
0.3
0.04
0.07
0.11
0.13
0.44
0.75
1.39

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
93
87
86
87
89
92
92
94
97
98
98
98
98
98
99
99
99
100
100
100

Pressure (mb)

1022
1022
1022
1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1018
1017
1016
1017
1016
1016
1016

Ozone (du)

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

Thursday 23

Waning Gibbous 90%

20:13

09:10

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: 06:41, Set: 18:45, Transit: 12:43. Moon - Rise: 20:13, Set: 09:10. Civil Dark: 19:13 - 06:13. Nautical Dark: 19:46 - 05:40. Astro Dark: 20:20 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
80
80
80
80
80
80
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

3
3
3
3
3
33
33
33
33
33
33
2
2
2
2
2
2
5
5
5
5
5
5
26

High Clouds (% Sky Obscured)

63
63
63
63
63
91
91
91
91
91
91
22
22
22
22
22
22
4
4
4
4
4
4
8

ISS Passover

Visibility (miles)

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

Fog (%)

96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96

Precipitation Type

Moderate Rain
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
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

Precipitation Probability (%)

59
61
55
55
48
57
66
65
60
68
53
32
23
22
24
25
29
22
23
24
22
23
17
19

Precipitation Amount (mm)

2.64
2.21
1.91
1.81
1.53
1.51
1.33
1.31
1.67
1.24
0.99
0.81
0.31
0.34
0.38
0.42
0.46
0.19
0.21
0.22
0.23
0.2
0.15
0.17

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
17
19
17
16
16
16
15
16
16
15
15
14
14
14
14
14
14
14
14
14

Feels Like (°C)

17
17
16
17
17
19
17
17
16
16
15
17
16
15
15
14
14
14
14
14
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
99
94
94
96
100
100
100
99
100
99
100
100
100
100
99
99
99
98
98
97
96

Pressure (mb)

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

Ozone (du)

282
283
284
284
284
281
282
283
284
285
285
283
284
285
287
290
292
289
290
292
293
292
291
289

Friday 24

Waning Gibbous 83%

20:37

10:14

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: 06:42, Set: 18:43, Transit: 12:42. Moon - Rise: 20:37, Set: 10:14. Civil Dark: 19:11 - 06:14. Nautical Dark: 19:45 - 05:41. Astro Dark: 20:18 - 05:07

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
79
79
79
79
79
79
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
90
90
90
90
90
90
95
95
95
95
95
95
72
72
72
72
72
72
98

Medium Clouds (% Sky Obscured)

26
26
26
26
26
85
85
85
85
85
85
81
81
81
81
81
81
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

8
8
8
8
8
99
99
99
99
99
99
100
100
100
100
100
100
27
27
27
27
27
27
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 (%)

96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96

Precipitation Type

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

Precipitation Probability (%)

19
22
22
27
35
33
24
20
21
30
25
24
22
19
15
15
17
16
11
6
2
2
6
6

Precipitation Amount (mm)

0.2
0.26
0.43
1.05
2.32
3.14
2.73
1.76
1.13
0.89
0.74
0.98
0.68
0.43
0.27
0.21
0.19
0.15
0.07
0.02
0.01
0.01
0.02
0.03

Wind Speed/Direction (mph)

6
7
7
8
7
9
9
8
7
5
4
4
4
4
4
4
3
3
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
88
81
80
79
69
71
75
79
86
89
92
94
99
100
100
100
100
100
100
100
100
100
97

Pressure (mb)

1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

287
287
286
285
285
290
289
288
287
285
283
279
277
277
277
277
278
278
278
279
279
280
280
280

Saturday 25

Waning Gibbous 75%

21:04

11:17

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

Sun - Rise: 06:44, Set: 18:41, Transit: 12:42. Moon - Rise: 21:04, Set: 11:17. Civil Dark: 19:10 - 06:15. Nautical Dark: 19:43 - 05:42. Astro Dark: 20:16 - 05:08

Total Clouds (% Sky Obscured)

98
98
98
98
98
8
8
8
8
8
8
0
0
0
0
0
0
0
0
0
0
0
0
63

Low Clouds (% Sky Obscured)

98
98
98
98
98
8
8
8
8
8
8
0
0
0
0
0
0
0
0
0
0
0
0
63

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
27

High 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

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 (%)

96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96

Precipitation Type

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

Precipitation Probability (%)

6
4
3
2
1
0
0
0
0
2
4
6
5
2
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.03
0.03
0.02
0.01
0
0
0
0
0.01
0.06
0.1
0.06
0.01
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
3
4
5
5
6
6
6
5
4
3
3
2
2
1
2
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
85
81
77
73
70
71
74
78
83
90
96
98
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

280
280
280
281
282
283
284
285
285
286
287
288
289
290
291
291
291
292
293
295
298
300
303
306

Sunday 26

Waning Gibbous 66%

21:35

12:20

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 Good
05 Good
06 Good
07 Good
08 Bad

Sun - Rise: 06:45, Set: 18:39, Transit: 12:42. Moon - Rise: 21:35, Set: 12:20. Civil Dark: 19:08 - 06:16. Nautical Dark: 19:41 - 05:43. Astro Dark: 20:15 - 05:10

Total Clouds (% Sky Obscured)

63
63
63
63
63
59
59
59
59
59
59
1
1
1
1
1
1
0
0
0
0
0
0
56

Low Clouds (% Sky Obscured)

63
63
63
63
63
33
33
33
33
33
33
1
1
1
1
1
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

27
27
27
27
27
57
57
57
57
57
57
0
0
0
0
0
0
0
0
0
0
0
0
51

High 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
19

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
6
3
2
3
6
8
10
10
10
10
10
10

Fog (%)

96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96
96

Precipitation Type

None
None
None
None
None
None
None
Very Light Rain
Very 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

Precipitation Probability (%)

0
0
0
0
0
0
5
11
24
35
50
61
62
48
43
35
29
29
20
11
8
4
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.02
0.13
0.32
0.66
1.17
1.38
0.87
0.38
0.33
0.36
0.34
0.29
0.19
0.08
0.03
0.01
0
0

Wind Speed/Direction (mph)

2
3
4
5
5
6
5
5
4
4
4
4
4
4
4
4
4
4
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
17
18
20
20
20
19
18
17
15
14
13
12
11
11
11
10
9
9
8
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

98
90
85
78
70
66
70
77
84
89
96
100
100
100
100
100
100
100
100
100
100
100
99
98

Pressure (mb)

1016
1015
1015
1015
1014
1013
1012
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1014

Ozone (du)

308
310
311
310
309
308
308
308
309
310
311
313
315
318
321
324
328
330
331
331
331
332
334
335

Forecast for Londonderry, Windham County, US (43.20,-72.77)

Generated: 20/09/21 09:25:05. Forecast: 20/09/21 to 26/09/21. Timezone: UTC-4.00