Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 5%

07:43

21:59

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
02 Bad
03 Bad

Sun - Rise: 07:11, Set: 19:24, Transit: 13:17. Moon - Rise: 07:43, Set: 21:59. Civil Dark: 19:53 - 06:42. Nautical Dark: 20:28 - 06:07. Astro Dark: 21:04 - 05:31

Total Clouds (% Sky Obscured)

100
98
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

17
64
60
85
95
99
100
100
100
94
81
76
63
54
54
65
79
83
75
76
80
67
74
88

Medium Clouds (% Sky Obscured)

65
62
70
93
95
99
94
100
98
100
100
100
100
100
100
100
98
100
100
100
100
92
95
94

High Clouds (% Sky Obscured)

100
98
97
89
89
98
93
100
100
100
100
100
100
100
100
100
92
97
100
100
100
99
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
9
9
9
9
9
9
9

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

Precipitation Probability (%)

0
6
10
7
17
12
25
10
10
11
16
13
23
13
49
55
47
53
51
48
50
32
30
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
11
10
11
12
13
13
13
13
14
14
14
14
14
13
11
11
9
8
7
6
6

Dew Point (°C)

8
8
8
8
7
8
7
9
10
9
10
11
10
10
11
12
12
11
11
9
8
7
6
6

Relative Humidity (%)

75
75
75
75
71
68
64
73
74
75
76
78
78
78
83
90
95
95
95
88
87
84
84
82

Pressure (mb)

1019
1019
1020
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

291
292
294
296
296
297
298
296
295
297
297
297
297
298
299
300
300
300
300
301
302
304
305
305

Saturday 21

Waxing Crescent 11%

08:06

23:22

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

Sun - Rise: 07:09, Set: 19:25, Transit: 13:17. Moon - Rise: 08:06, Set: 23:22. Civil Dark: 19:55 - 06:40. Nautical Dark: 20:30 - 06:05. Astro Dark: 21:05 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
72
26
2
31
31
30
30
26
30
22
2
3
16
5
1
4
9
1
2
27
6

Low Clouds (% Sky Obscured)

87
63
47
6
2
2
31
30
30
30
26
30
19
2
3
13
5
1
4
7
1
0
0
0

Medium Clouds (% Sky Obscured)

96
100
98
61
19
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

81
52
55
13
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
22
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

4
4
3
1
1
2
1
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)

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

Chance of Frost

Temperature (°C)

9
8
7
6
6
6
7
8
10
10
11
12
12
12
11
9
7
6
5
4
4
3
2
2

Feels Like (°C)

6
5
4
3
5
5
6
6
6
7
8
9
10
10
9
8
6
5
5
3
3
3
2
-1

Dew Point (°C)

6
5
3
2
2
-0
-1
-1
-1
-1
-1
-2
-2
-2
-2
-1
-2
-1
-2
-2
-2
-2
-3
-3

Relative Humidity (%)

82
79
77
75
74
63
56
52
48
46
43
39
37
38
40
50
54
60
62
63
66
67
70
71

Pressure (mb)

1020
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1026
1027
1028
1029
1029
1029
1030
1030

Ozone (du)

307
311
315
318
323
324
325
324
330
329
331
339
347
351
351
351
351
353
355
356
357
357
356
354

Sunday 22

Waxing Crescent 20%

08:35

00:45

04 Good
05 Good
06 Good
07 OK
08 OK
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

Sun - Rise: 07:07, Set: 19:27, Transit: 13:17. Moon - Rise: 08:35, Set: 00:45. Civil Dark: 19:56 - 06:38. Nautical Dark: 20:31 - 06:03. Astro Dark: 21:07 - 05:27

Total Clouds (% Sky Obscured)

2
2
16
35
44
92
92
100
96
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
12
4
34
26
22
31
94
72
79
47
42
87
26
26
74
93
100
98
96

High Clouds (% Sky Obscured)

1
1
13
34
44
91
91
100
94
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
3
17
13
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)

2
2
1
2
2
3
3
4
5
6
6
7
7
8
7
6
6
6
4
4
3
3
2
3

Chance of Frost

Temperature (°C)

1
1
1
1
1
3
6
8
9
11
12
13
13
12
11
10
9
8
8
7
7
7
6
6

Feels Like (°C)

0
1
0
-1
0
2
3
5
6
8
9
9
9
9
8
7
7
5
6
4
5
4
5
4

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-2
-2
-3
-3
-3
-3
-2
-2
-0
1
2
2
3
3
3
3
3
3

Relative Humidity (%)

74
77
77
78
76
67
58
50
42
37
36
34
35
38
44
52
60
63
69
74
76
78
81
82

Pressure (mb)

1030
1030
1030
1030
1031
1030
1030
1030
1029
1028
1027
1026
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022

Ozone (du)

353
354
354
354
354
352
350
350
351
351
352
351
349
345
343
342
341
335
332
328
328
327
327
326

Monday 23

Waxing Crescent 30%

09:14

02:03

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
02 Bad
03 Bad

Sun - Rise: 07:05, Set: 19:28, Transit: 13:17. Moon - Rise: 09:14, Set: 02:03. Civil Dark: 19:57 - 06:36. Nautical Dark: 20:32 - 06:01. Astro Dark: 21:08 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
100
97
93
89
93
97
100
100
100
100
100
100
100
99
93
97
98
99
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
3
6
12
14
13
13
61
12
45
42
3
3
3
3
2
0
0
3
3
8
3

Medium Clouds (% Sky Obscured)

74
91
91
88
83
84
84
84
82
76
78
52
44
6
5
24
48
47
78
87
93
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
87
74
64
76
89
100
100
100
100
100
100
100
98
90
94
93
92
87
94
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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)

3
3
3
2
2
3
3
4
4
4
3
3
2
2
2
2
3
2
2
2
2
2
2
1

Chance of Frost

Temperature (°C)

6
5
5
6
6
7
9
10
11
13
14
14
15
15
14
13
12
11
10
10
9
9
9
8

Feels Like (°C)

4
3
3
4
4
5
7
8
9
11
12
12
13
13
13
11
10
9
8
8
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
85
83
79
74
68
68
63
62
55
53
50
50
60
63
67
69
72
73
74
75
75

Pressure (mb)

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

Ozone (du)

327
324
324
320
314
313
309
307
307
301
300
299
300
300
300
298
297
298
297
295
294
292
292
292

Tuesday 24

Waxing Crescent 42%

10:04

03:09

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
02 Bad
03 Bad

Sun - Rise: 07:03, Set: 19:29, Transit: 13:16. Moon - Rise: 10:04, Set: 03:09. Civil Dark: 19:59 - 06:34. Nautical Dark: 20:34 - 05:59. Astro Dark: 21:10 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
98
98
99
100
80
66
57
68
67
65
75
89

Low Clouds (% Sky Obscured)

60
55
60
60
60
50
49
99
100
100
99
99
98
98
99
99
80
65
48
41
38
30
37
41

Medium Clouds (% Sky Obscured)

100
100
99
99
99
100
99
94
89
82
67
57
45
63
83
100
80
66
50
50
45
50
56
68

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
73
43
15
12
10
10
16
21
35
60
67
65
75
80

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very 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
None
None
None

Precipitation Probability (%)

1
31
25
19
14
13
2
72
67
65
74
84
91
95
95
91
95
95
95
93
85
67
55
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0.2
0.3
0.4
0.5
0.7
0.7
0.5
0.7
0.7
0.5
0.5
0.4
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
1
1
2
3
5
6
7
8
9
11
10
10
11
9
8
6
6
6
7
6

Chance of Frost

Temperature (°C)

8
8
8
8
9
10
12
13
11
11
11
11
11
11
11
10
10
8
7
6
6
5
4
4

Feels Like (°C)

6
7
6
6
7
9
10
11
9
9
9
9
8
7
8
9
8
7
8
8
3
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

75
73
75
74
73
73
68
66
71
75
79
84
88
93
95
93
91
91
91
91
91
90
91
89

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1014
1013
1014
1014
1015
1015
1015
1016
1017
1018
1019
1020
1022
1023
1024
1024
1025

Ozone (du)

291
289
290
291
291
289
289
290
291
292
294
294
294
295
294
294
294
292
291
290
289
288
287
287

Wednesday 25

First Quarter 54%

11:08

04:02

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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:01, Set: 19:31, Transit: 13:16. Moon - Rise: 11:08, Set: 04:02. Civil Dark: 20:00 - 06:32. Nautical Dark: 20:35 - 05:57. Astro Dark: 21:12 - 05:20

Total Clouds (% Sky Obscured)

96
91
85
78
84
93
100
95
90
85
83
82
84
63
47
25
41
58
75
73
72
71
74
79

Low Clouds (% Sky Obscured)

40
36
32
28
41
54
64
49
40
37
38
39
40
32
23
11
8
5
0
0
0
1
4
8

Medium Clouds (% Sky Obscured)

80
56
32
8
27
42
60
53
42
22
11
3
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

90
82
78
75
59
43
29
19
10
0
0
1
1
3
6
8
25
35
45
44
47
43
51
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9

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

Precipitation Probability (%)

36
39
41
41
48
51
52
60
61
58
51
42
23
22
17
2
2
1
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
5
6
7
8
8
8
10
10
10
11
9
7
5
5
4
3
3
2
3
3

Chance of Frost

Temperature (°C)

4
4
4
4
4
6
7
8
9
9
10
10
10
10
9
7
6
5
3
3
2
1
0
-0

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
3
4
5
7
4
2
-1
-2
-3
-4
-3
-3
-3
-3
-4
-3
-4
-4
-4
-4

Relative Humidity (%)

88
86
88
89
91
91
90
90
73
59
48
45
42
39
44
49
54
58
61
65
68
69
71
74

Pressure (mb)

1025
1026
1027
1027
1028
1029
1030
1031
1031
1031
1032
1032
1032
1033
1033
1034
1035
1035
1036
1037
1037
1037
1037
1036

Ozone (du)

287
287
289
291
293
294
296
297
297
296
295
297
298
299
299
299
299
299
299
299
298
297
296
296

Thursday 26

Waxing Gibbous 65%

12:21

04:02

Sun - Rise: 07:00, Set: 19:32, Transit: 13:16. Moon - Rise: 12:21, Set: 04:02. Civil Dark: 20:01 - 06:30. Nautical Dark: 20:37 - 05:55. Astro Dark: 21:13 - 05:18

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for West Portland, Multnomah, United States of America (45.46,-122.72)

Generated: 20/03/26 04:06:22. Forecast: 20/03/26 to 26/03/26. Timezone: UTC-7.00